Worst Bridges in New Hampshire
Bridges with the lowest condition ratings in New Hampshire. New Hampshire has 191 bridges in poor condition (7.5% of 2,542 total bridges).
2,542
Total Bridges
7.5%
In Poor Condition
191
Poor Bridges
191
Rating 0-4
Understanding Bridge Conditions in New Hampshire
New Hampshire's bridge infrastructure reflects decades of construction, maintenance, and replacement decisions influenced by geography, climate, traffic patterns, and available funding. With 191 bridges currently rated in poor condition (7.5% of the total inventory), understanding what these ratings mean helps residents and policymakers make informed decisions about infrastructure investment.
Federal inspectors evaluate three key components on every highway bridge: the deck (the driving surface and its immediate supports), the superstructure (beams, girders, trusses, or other primary load-carrying members), and the substructure (piers, abutments, and foundations that transfer loads to the ground). Each component receives a rating from 0 to 9, with the lowest of these three ratings determining the overall condition category. A rating of 4 or below classifies a bridge as “poor,” indicating significant structural deterioration that warrants prioritized attention.
Poor-rated bridges remain safe for use at their posted limits because federal law requires that any bridge with load-carrying deficiencies be either repaired, posted with weight restrictions, or closed. Many poor-rated bridges receive more frequent inspections than the standard 24-month cycle, allowing engineers to monitor deterioration rates and ensure conditions have not worsened beyond safe operating limits. Weight restrictions protect the structure while allowing continued service until rehabilitation or replacement can be funded and constructed.
Infrastructure investment decisions involve difficult trade-offs between maintaining aging structures and building new capacity. Bridges listed below represent the most deteriorated structures in New Hampshire's inventory, where rehabilitation or replacement investment would have the greatest impact on improving overall infrastructure condition. Understanding where these bridges are located helps communities advocate for appropriate funding and plan alternative routes when load restrictions affect commercial traffic.
Condition Rating Scale
Failed to Critical
Closed or severely restricted. Major deterioration requiring immediate action.
Serious to Poor
Significant deterioration affecting capacity. Often weight-restricted.
Fair
Minor deterioration visible. Maintenance recommended but not urgent.
Good to Excellent
Components in sound condition with no significant deficiencies.
Lowest Rated Bridges in New Hampshire
191 bridges rated 0-4 on the federal condition scale, sorted by lowest rating first. Showing first 50 — click below to expand.
| Rank | Bridge | Rating | Year Built | Condition |
|---|---|---|---|---|
| #1 | TOWNHOUSE ROAD over NORTHEAST POND NH-ME SL | 0 | 1948 | Poor |
| #2 | BRIDGE STREET over CONNECTICUT RIVER VERMONT STATE LINE | 1 | 1930 | Poor |
| #3 | CHRISTIAN HILL RD over NHRR(ABD) 50 FT FROM SOUTH GROVE S | 1 | 1930 | Poor |
| #4 | THORNTONS FERRY RD over BEAVER BROOK 3.2 MI FR MERRIMACK TL | 1 | 1970 | Poor |
| #5 | WHIPPLE HILL ROAD over ROARING BROOK 0.5 MI. RTE.119 | 1 | 1950 | Poor |
| #6 | GRIFFIN MILL ROAD over MAPLE FALLS BROOK 300 YDS N. OF NH 121 | 1 | 1850 | Poor |
| #7 | HILL ROAD over DARBY BROOK .08 MI FR DINSMORE HILL | 1 | 1970 | Poor |
| #8 | DOUGHERTY LANE over MID BR PISCATAQUOG RIVER 0.8 MI FR SANDERS HILL R | 1 | 2004 | Poor |
| #9 | PARADISE ROAD over SUGAR RIVER 380 FT. RTE.11 | 1 | 1976 | Poor |
| #10 | HIGH BRIDGE ROAD over ARCHERTOWN BROOK 150FT W TILLOTSON RD JCT | 1 | 1940 | Poor |
| #11 | MAPLE STREET over BRANCH RIVER 0.02MI. RTE 153 | 1 | 1940 | Poor |
| #12 | SHOP ROAD over NEEDLE SHOP BROOK 0.8 MI N NEW CHESTER RD | 1 | 1930 | Poor |
| #13 | OAK STREET over CSX DOVER-ROLLINSFORD TL | 2 | 1890 | Poor |
| #14 | CATE STREET over HODGSON BROOK .2 WEST OF BARTLETT St. | 2 | 1940 | Poor |
| #15 | DUDLEY ROAD over LAMPREY RIVER .23 MI JCT 101 | 2 | 1914 | Poor |
| #16 | CLOTHESPIN BR ROAD over BLACKWATER RIVER 0.88MI NH127 | 2 | 1954 | Poor |
| #17 | JOHNSON HILL ROAD over WEST BRANCH BROOK 1.5 MI MARSHALL HILL RD | 2 | 1950 | Poor |
| #18 | GRANITE ROAD over SOUTH RIVER 0.3MI. RTE 153 | 2 | 1920 | Poor |
| #19 | TEMPLETON TURNPIKE over PRIEST BROOK 1.9MI. RTE 119 | 2 | 1984 | Poor |
| #20 | US202 over NHRR CONSTITUTION AV. .1 MI WEST JCT I-93 | 3 | 1958 | Poor |
| #21 | NH 9(LOUDON ROAD) over MERRIMACK RIVER 0.1 MI EAST JCT I-93 | 3 | 1966 | Poor |
| #22 | US 1 over CSX(ABD) 0.1 MI FROM N HAMPTON TL | 3 | 1936 | Poor |
| #23 | US 1 over CSX 1.1MI FROM RYE TL | 3 | 1935 | Poor |
| #24 | NH 12 over S BRANCH ASHUELOT RIVER 1.5 MI S TO TROY CENTER | 3 | 1941 | Poor |
| #25 | MAPLEWOOD AVENUE over NORTH MILL POND 0.2 MI E JCT US 1 BYPASS | 3 | 1940 | Poor |
| #26 | NH152 over NORTH RIVER 5.15MI. NW LEE TL | 3 | 1925 | Poor |
| #27 | NH 1B over LITTLE HARBOR 1.1 MI JCT RT 1-A | 3 | 1942 | Poor |
| #28 | MAPLE AVE over BLACK BROOK DOWNTOWN KEENE | 3 | 1961 | Poor |
| #29 | NH 32 over MARTIN BROOK 1.48 MI. N. RICHMOND TL | 3 | 1929 | Poor |
| #30 | US202 NH 9 over ASH BROOK 1 MI FROM CURRIER RD | 3 | 1970 | Poor |
| #31 | NH 11 over SUCKER BROOK 0.4 MI FROM FRANKLIN T.L. | 3 | 1929 | Poor |
| #32 | US 4 over BLACKWATER RIVER 0.3 MI FROM SALISBURY TL | 3 | 1933 | Poor |
| #33 | EAST THETFORD ROAD over CONNECTICUT RIVER 0.1 MI FROM VERMONT SL | 3 | 1937 | Poor |
| #34 | RIVER ROAD over PISCATAQUOG RIVER 0.5 MI FROM NH 77 | 3 | 1940 | Poor |
| #35 | NH127 over WARNER RIVER .5 MI WEBSTER T.L. | 3 | 1937 | Poor |
| #36 | TEMPLE ROAD over BLOOD BROOK 0.02 MI SW JCT NH101 | 3 | 1901 | Poor |
| #37 | TRUES BROOK ROAD over BLOODS BROOK 0.4 MI FR PLAINFIELD TL | 3 | 1952 | Poor |
| #38 | NH 12A over SUGAR RIVER .1 MI. FROM JCT. RTE. 103 | 3 | 1967 | Poor |
| #39 | NH175 over PEMIGEWASSET RIVER 0.05 MI FROM JCT RTE 3 | 3 | 1939 | Poor |
| #40 | POTATO ROAD over INDIAN RIVER 1.5 MI FROMENFIELD TL | 3 | 1930 | Poor |
| #41 | POND ROAD over CSX 0.6 MI. KINGSTON TL | 3 | 1920 | Poor |
| #42 | DELTA DRIVE over I-93 US 4 .6 MI NORTH OF JCT. US 4 | 3 | 1958 | Poor |
| #43 | GRIST MILL HILL RD over INDIAN RIVER 2.01 MI FROM GRAFTON TL | 3 | 1956 | Poor |
| #44 | BOG ROAD over CONNECTICUT RIVER 0.02 MILE EAST OF VT. S L | 3 | 1893 | Poor |
| #45 | SCRIBNER ROAD over EXETER RIVER 0.59MI. RTE 107 | 3 | 1941 | Poor |
| #46 | FOWLER RIVER ROAD over FOWLER RIVER 5.2MI FR TUFTONBORO TL | 3 | 1930 | Poor |
| #47 | RIVER ROAD over MAD RIVER 0.63MI. RTE 111 | 3 | 1986 | Poor |
| #48 | OLD COUNTY RD N over COLLINS BROOK 2.4 MI. DEERING TL | 3 | 1981 | Poor |
| #49 | CENTENARY AVENUE over NHRR TOWN RD | 3 | 1940 | Poor |
| #50 | CHICKWOLNEPY ROAD over CHICKWOLNEPY STREAM 1.2 M FR E. SIDE RIVER RD | 3 | 1950 | Poor |
| #51 | LEIGHTON MEADOW RD over PHILLIPS BROOK 100 FT FR SULLIVAN RD 61 | 3 | 1940 | Poor |
| #52 | PUTNAM ROAD over BROOK TOWN RD | 3 | 1930 | Poor |
| #53 | FDR 35 over DOUGLAS BROOK MAP 32 | 3 | 1950 | Poor |
| #54 | FISH HATCHERY ROAD over PATCH BROOK 0.17MI NH25 | 3 | 1930 | Poor |
| #55 | ON-ORBIT DRIVE over GARDNER-JOE ENGLISH STRE 1.2 MILES FROM MAIN GATE. | 3 | 1959 | Poor |
| #56 | I-89 over SOUTH STREET BOW INTERCHANGE | 4 | 1959 | Poor |
| #57 | I-293 FEE TPK over STARK WAY 1.9MI S HOOKSETT T.L. | 4 | 1956 | Poor |
| #58 | I-393 US 4 US202 over I-93 0.4 MI. E. JCT US 3 | 4 | 1958 | Poor |
| #59 | FEE TPK SB over PENNICHUCK BROOK NASHUA-MERRIMACK T.L. | 4 | 1954 | Poor |
| #60 | I-393 US 4 US202 over FORT EDDY RD 0.2MI E JCT I-93 | 4 | 1980 | Poor |
| #61 | US 3 NH 3A over I-293 NH 3A CSX MERR R 0.7 MI BEDFORD TL | 4 | 1923 | Poor |
| #62 | I-293 NH 3A TPK N over BLACK BROOK 2.5 S HOOKSETT TL | 4 | 1956 | Poor |
| #63 | NH 16 SP TPK SB over COCHECO RIVER 3.6 MI. FROM ROCHESTER TL | 4 | 1957 | Poor |
| #64 | I-89 NB over US 4 NH 10 2.6 MI FROM VT SL | 4 | 1966 | Poor |
| #65 | NH 16 SP TPK NB over COCHECO RIVER 3.6 MI FROM ROCHESTER TL. | 4 | 1957 | Poor |
| #66 | I-89 NB over CONNECTICUT RIVER NECRR 0.04 MI FROM VT SL. | 4 | 1966 | Poor |
| #67 | NH 16 SP TPK NB over NH108 CSX(ABD) 0.2 MI FROM JCT. RTE 16 | 4 | 1957 | Poor |
| #68 | I-293 NH 3A TPK S over BLACK BROOK 2.5MI S HOOKSETT T.L. | 4 | 1956 | Poor |
| #69 | I-89 SB over CONNECTICUT RIVER NECRR 0.04 MI FROM VT. SL. | 4 | 1966 | Poor |
| #70 | NH 16 SP TPK SB over NH108 CSX(ABD) 0.2 MI FROM JCT. RT 16 | 4 | 1957 | Poor |
| #71 | I-89 SB over TURKEY POND 1.5 MI NW JCT RT 13 | 4 | 1959 | Poor |
| #72 | I-89 NB over TURKEY POND 1.5 MI NW OF JCT RT 13 | 4 | 1959 | Poor |
| #73 | US202 NH101 over CONTOOCOOK RIVER 2.5 MI. W. DUBLIN TL | 4 | 1958 | Poor |
| #74 | US 3 over BABOOSIC BROOK 5.9 MI N NASHUA TL | 4 | 1933 | Poor |
| #75 | NH125 over ISINGLASS RIVER .1 MI BARRINGTON T.L. | 4 | 1951 | Poor |
| #76 | SALMON STREET EB over MERRIMACK R CSX RD RAMP 0.3MI W OF JCT RT 3 | 4 | 1970 | Poor |
| #77 | US 3 over SOUHEGAN RIVER 0.03 MI FROM RAILROAD AVE | 4 | 1921 | Poor |
| #78 | US 4 MECHANIC ST over MASCOMA RIVER 5.4 MI FROM HANOVER TL | 4 | 1977 | Poor |
| #79 | NH 13 over SOUHEGAN RIVER 0.1 MI FROM MAPLE ST | 4 | 1931 | Poor |
| #80 | NH101 over OTTER BROOK 1.5 MI FROM MARLBORO TL | 4 | 1933 | Poor |
| #81 | NH 11 over MERRYMEETING RIVER 8.5 MI FROM GILFORD TL | 4 | 1934 | Poor |
| #82 | NH 28 over SUNCOOK RIVER AT PEMBROKE TL | 4 | 1958 | Poor |
| #83 | NH 1A over HAMPTON RIVER 0.1 MI FROM SEABROOK TL | 4 | 1949 | Poor |
| #84 | NH119 over CONNECTICUT RIVER AT VERMONT STATE LINE | 4 | 1920 | Poor |
| #85 | NH119 over CONNECTICUT RIVER 0.3 MI E VERMONT SL | 4 | 1920 | Poor |
| #86 | NH 12A over NHRR 100 FT FROM JCT RTE 10 | 4 | 1949 | Poor |
| #87 | NH 12 over NHRR(ABD) 0.3MI TO TROY CENTER | 4 | 1957 | Poor |
| #88 | NH120 PARK LOT PED over NHRR(ABD) .1 MI FROM JCT RTE 4 | 4 | 1969 | Poor |
| #89 | US202 NH123 over CONTOOCOOK RIVER 2.2 MI TO GREENFIELD TL | 4 | 1942 | Poor |
| #90 | NH112 KANCAMAGUS over PEMIGEWASSET RIVER 0.1 MI E JCT ROUTE 3 | 4 | 1933 | Poor |
| #91 | NH 3A over NEWFOUND RIVER 1.2 MI N OF JCT RTE 104 | 4 | 1924 | Poor |
| #92 | NH 12 over MILL BROOK 4.3 MI TO WALPOLE TL | 4 | 1941 | Poor |
| #93 | BABOOSIC LAKE ROAD over FEE TPK .8 MI FROM SOUHEGAN R | 4 | 1954 | Poor |
| #94 | GULF ROAD over SALMON FALLS RIVER 0.1 MI FROM MAINE SL | 4 | 1950 | Poor |
| #95 | MAIN STREET over BEAVER BROOK 1.75 MI JCT 128 | 4 | 1900 | Poor |
| #96 | BRIDGE STREET over SPICKET RIVER 1.0MI MASS SL | 4 | 1900 | Poor |
| #97 | NH 11 over POOR FARM BROOK 1.7 MI S ALTON TL | 4 | 1966 | Poor |
| #98 | US 2 over PEA BROOK 0.8 MI FROM GORHAM TL | 4 | 1932 | Poor |
| #99 | NH 12 over NECRR 4.9 MI. FROM WALPOLE TL | 4 | 1959 | Poor |
| #100 | NH 31 over STONY BROOK 0.1 MI FM LYNDEBOROUGH TL | 4 | 1929 | Poor |
| #101 | NH 3A over NEWFOUND RIVER 2.0 MI. FROM HILL T.L. | 4 | 1949 | Poor |
| #102 | NH111A over EXETER RIVER 0.6 MI DANVILLE T.L. | 4 | 1978 | Poor |
| #103 | NH 49 over MAD RIVER 1.9 MI SW WATERVILLE T L | 4 | 1979 | Poor |
| #104 | CORNISH TOLL BR RD over CONNECTICUT RIVER VERMONT STATE LINE | 4 | 1866 | Poor |
| #105 | US 3 over LOST RIVER 5.6 MI FROM THORNTON TL | 4 | 1931 | Poor |
| #106 | NH 11B over GUNSTOCK RIVER 0.6 MI N JCT NH 11-A | 4 | 1941 | Poor |
| #107 | NH 11 over NHRR(ABD) 0.6 MI FROM FRANKLIN TL | 4 | 1929 | Poor |
| #108 | NH 11 over SUCKER BROOK .3 MI FROM FRANKLIN T.L. | 4 | 1929 | Poor |
| #109 | ANTRIM ROAD over MONADNOCK MILL CANAL 0.39 MI FR CONTOOCOOK VA | 4 | 1922 | Poor |
| #110 | US 4 over SMITH RIVER 4.6 MI FROM WILMOT TL | 4 | 1929 | Poor |
| #111 | NH 49 over PEMIGEWASSET RIVER 0.25 MI E JCT US 3 | 4 | 1928 | Poor |
| #112 | HALL ROAD over LITTLE COHAS BROOK 0.73 MI FR HARVEY RD | 4 | 1974 | Poor |
| #113 | WILTON ROAD over SOUHEGAN RIVER 260FT RTE 31 | 4 | 1938 | Poor |
| #114 | NUTTING ROAD over CONTOOCOOK RIVER 0.4 MI FR CROSS ST | 4 | 1905 | Poor |
| #115 | COCHECO ROAD over COCHECO RIVER 0.15MI. RTE 75 | 4 | 1953 | Poor |
| #116 | SCHOOL STREET over AMMONOOSUC RIVER 214 FT FROM NH RTE 112 | 4 | 1960 | Poor |
| #117 | HANSON ROAD over EXETER RIVER 75FT. NH102 | 4 | 1932 | Poor |
| #118 | CHESHAM ROAD over MINNEWAWA BROOK 0.3 MI FR DUBLIN TL | 4 | 1939 | Poor |
| #119 | NH 18 over CONNECTICUT RIVER NH-VT SL | 4 | 1934 | Poor |
| #120 | NH127 over BLACKWATER RIVER 4.8 MI FROM WARNER TL | 4 | 1941 | Poor |
| #121 | NH118 over INDIAN RIVER 2.3 MI FROM DORCHESTER TL | 4 | 1948 | Poor |
| #122 | PLAINS ROAD over SUGAR RIVER 0.1 MI JCT RTE 12 | 4 | 1974 | Poor |
| #123 | NH103 over I-89 SB WARNER RIVER 3.6 MI N HOPKINTON T.L. | 4 | 1966 | Poor |
| #124 | US 3 over BOG BROOK 1.2 MI FROM PLYMOUTH TL | 4 | 1929 | Poor |
| #125 | TIRRELL HILL ROAD over BLACK BROOK 1.9MI Fr Goffstwn Back RD | 4 | 1994 | Poor |
| #126 | NH142 over AMMONOOSUC RIVER 2.2 MI FROM WHITEFIELD TL | 4 | 1927 | Poor |
| #127 | RIVER ROAD SOUTH over PARTRIDGE BROOK 0.72 MI NH63 | 4 | 1937 | Poor |
| #128 | DORCHESTER ROAD over GRANT BROOK 2.1 MI FROM JCT RTE 10 | 4 | 1952 | Poor |
| #129 | NH 25 over OLIVERIAN BROOK 1.0 MI HAVERHILL T.L. | 4 | 1960 | Poor |
| #130 | NH 16A over E BR SACO RIVER 1.9 MI CONWAY TL | 4 | 1928 | Poor |
| #131 | WHITCOMB MILLS RD over WHITE BROOK 0.06 MI FR ARCH ST | 4 | 1940 | Poor |
| #132 | NH 25A over BRACKETT BROOK 9.9 MI FROM VERMONT SL | 4 | 1929 | Poor |
| #133 | NH 25A over BAKER POND BROOK 10.2 MI FROM VERMONT SL | 4 | 1929 | Poor |
| #134 | BRIDGE STREET over NECRR 100 FT FROM NH RTE 12 | 4 | 1992 | Poor |
| #135 | SPRING STREET over COCHECO RIVER 1.38MI RTE 11 | 4 | 1926 | Poor |
| #136 | STAGE ROAD over BLOW-ME-DOWN BROOK 2.0 MI SE JCT 12A | 4 | 1954 | Poor |
| #137 | CONTOOCOOK FALLS R over CONTOOCOOK RIVER 0.3 MI. HENNIKER TL | 4 | 1933 | Poor |
| #138 | BEAVER BROOK ROAD over BEAVER BROOK 0.4 MI. AMHERST TL | 4 | 1932 | Poor |
| #139 | NH175 over PEMIGEWASSET RIVER 0.6 MI EAST JCT US 3 | 4 | 1976 | Poor |
| #140 | SCOTLAND ROAD over ROARING BROOK 0.23MI NH119 | 4 | 1955 | Poor |
| #141 | LAFAYETTE ROAD over HAM BRANCH 0.12MI. RTE 116 | 4 | 1920 | Poor |
| #142 | WHITEHALL ROAD over POWWOW RIVER 0.8 MI FR MASS SL | 4 | 1976 | Poor |
| #143 | BEALS ROAD over BABOOSIC BROOK 33 FT FR MERRIMACK TL | 4 | 1928 | Poor |
| #144 | COAKLEY ROAD over HODGSON BROOK 1 MI. WEST OF BYPASS 1 | 4 | 1940 | Poor |
| #145 | SHEPARD HOME ROAD over EXETER RIVER 0.8MI. NH102 | 4 | 1986 | Poor |
| #146 | DUPAW GOULD ROAD over LANCY BROOK 1.4 MI FR MCINTOSH RD | 4 | 1987 | Poor |
| #147 | CARLETON HILL ROAD over MOHAWK RIVER 0.15 MI SE JCT NH 26 | 4 | 1935 | Poor |
| #148 | SAND HILL ROAD over BAKER RIVER .06 MI FROM NH RTE 25 | 4 | 1928 | Poor |
| #149 | WALES BRIDGE ROAD over SOUCOOK RIVER 1.3 MI FROM CONCORD TL | 4 | 1934 | Poor |
| #150 | WASHBURN ROAD over PATTEN BROOK 8.11 MI FROM E HILL RD | 4 | 1950 | Poor |
| #151 | NORTH ROAD over ANDROSCOGGIN RIVER 0.32 MI N JCT US 2 | 4 | 1900 | Poor |
| #152 | WINDY ROW ROAD over MCDOWELL RESERVOIR 0.6 MI FR PETERBORO TL | 4 | 1950 | Poor |
| #153 | ARCHERTOWN ROAD over JACOBS BROOK .3 Mi.From NH10 | 4 | 1930 | Poor |
| #154 | HILL ROAD over PERRY STREAM 0.2 MI FROM US RTE 3 | 4 | 1860 | Poor |
| #155 | EASTSIDE ROAD over MARTINS BROOK 0.77MI WARREN TL | 4 | 1940 | Poor |
| #156 | OLD DEERFIELD ROAD over BROOK 185 FT FROM NH RTE 43 | 4 | 1920 | Poor |
| #157 | HILLDALE AVE over POWWOW RIVER 0.8 MI FR NEWTON TL | 4 | 1920 | Poor |
| #158 | LEAVITT HILL ROAD over BLOW-ME-DOWN-BROOK 1.4 MI FR CORBIN PARK | 4 | 1950 | Poor |
| #159 | DRAKE HILL ROAD over MEADOW BROOK SE NH 16 | 4 | 1930 | Poor |
| #160 | FDR 17 over BURNT KNOLL MAP 24 | 4 | 1975 | Poor |
| #161 | COLE HILL ROAD over FOWLER RIVER 0.5 MI FROM SHIN VALLEY | 4 | 1930 | Poor |
| #162 | BRIDGE ROAD over BLACKWATER RIVER 0.1 MI S NH 11 | 4 | 1882 | Poor |
| #163 | LAST STREET over SUCKER BROOK 0.03 MI NH 11 | 4 | 1936 | Poor |
| #164 | LIBERTY FARM ROAD over NORTH BRANCH RIVER 0.13MI. NH9 | 4 | 1991 | Poor |
| #165 | RIVER ROAD over CLAY BROOK .23 MI S. PLYMOUTH T.L. | 4 | 1900 | Poor |
| #166 | PERCH POND ROAD over RYAN BROOK 1.9 MI FR HOLDERNESS TL | 4 | 1940 | Poor |
| #167 | CRESSY HILL ROAD over RAND BROOK 0.4MI. LYNDEBORO TL | 4 | 1940 | Poor |
| #168 | SOUTH ROAD over MINNEWAWA BROOK 0.9 MI FR DUBLIN TL | 4 | 1950 | Poor |
| #169 | GLEASON FALLS ROAD over BEARDS BROOK 2.6 MILE FR NH RTE 9 | 4 | 1900 | Poor |
| #170 | JONES ROAD over BEARDS BROOK 1.3 MI FR NH RTE 31 | 4 | 1900 | Poor |
| #171 | PLAINS ROAD over MILL BROOK 1.0 MI FROM LYMAN TL | 4 | 1975 | Poor |
| #172 | STEARNS BROOK ROAD over STEARNS BROOK 0.4 MI FR SUCCESS TL | 4 | 1950 | Poor |
| #173 | MURPHY DAM ROAD over DAM SPILLWAY 0.2 MI FROM US RT 3 | 4 | 1938 | Poor |
| #174 | BROOK ROAD over SALMON BROOK 0.1 MI FROM HALE RD | 4 | 1900 | Poor |
| #175 | CRANE HILL ROAD over GALE RIVER TOWN RD | 4 | 1928 | Poor |
| #176 | WALKER BROOK ROAD over FRAZIER BROOK 0.5 MI FR WILMOT T/L | 4 | 1950 | Poor |
| #177 | JACK WELLS ROAD over FRAZIER BROOK 0.1 MI FR WILMOT T/L | 4 | 1950 | Poor |
| #178 | TUNNEL BROOK ROAD over WILD AMMONOOSUC RIVER 0.6 MI N. BENTON T.L. | 4 | 1900 | Poor |
| #179 | FDR 304 over LITTLE RIVER MAP 10 | 4 | 1975 | Poor |
| #180 | FDR 12 over BURNT MILL BROOK MAP 14 | 4 | 1947 | Poor |
| #181 | NFSR XH22 over HUBBARD BROOK MAP 36 | 4 | 1961 | Poor |
| #182 | FDR 29 over WALKER BROOK MAP 29 | 4 | 1975 | Poor |
| #183 | REC AREA ACCESS RD over OTTER BROOK 8.05 KM N OF KEENE | 4 | 1967 | Poor |
| #184 | REC AREA ACCESS RD over OTTER BROOK 8.05 KM N OF KEENE | 4 | 1967 | Poor |
| #185 | VILLAGE ROAD over CLEMENT BROOK 0.5 MI. US2 | 4 | 1929 | Poor |
| #186 | MOUNTAIN ROAD over COLD BROOK 0.7 MI. RTE.25 | 4 | 1900 | Poor |
| #187 | FRYE MILL ROAD over BURTON POND OUTLET 1.2Mi.Fr.Issac Frye Hwy. | 4 | 1920 | Poor |
| #188 | RECYCLE WAY over ASHUELOT RIVER 0.04MI NH119 | 4 | 1947 | Poor |
| #189 | SHEEPBORO ROAD over BERRYS RIVER 1.22 MI ROCHESTER TL | 4 | 1983 | Poor |
| #190 | NO DATA ENTERED over NO DATA ENTERED NO DATA ENTERED | 4 | 1990 | Poor |
| #191 | OLD NH 16 over THOMPSON BROOK 0.2 MI EAST JCT NH 16 | 4 | 1931 | Poor |
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Data Source: Federal Highway Administration (FHWA) National Bridge Inventory 2024
Bridge inspection data is typically updated every 24 months. Conditions may have changed since the last inspection.
“Structurally deficient” does not mean a bridge is unsafe or likely to collapse. It indicates that one or more key structural elements are in poor or worse condition. Bridges are inspected regularly and may have load restrictions in place.
This data is for informational purposes only and should not be used for route clearance or vehicle weight decisions.