CRAWFORD ROAD

over CATALPA CREEK

SEC_23_T18N_R15E B, Oktibbeha County, Mississippi

Condition

Good

Year Built

2014

Daily Traffic

100

Length

78 ft

About This Bridge

CRAWFORD ROAD carries traffic over CATALPA CREEK in Oktibbeha County, Mississippi. Built in 2014, this structure is 12 years old, representing modern engineering and construction standards. The bridge features concrete construction with a channel beam design, a combination chosen by engineers to meet the specific requirements of this crossing.

Approximately 100 vehicles cross this bridge daily, indicating lower traffic volumes common for local roads and rural routes. While traffic is lighter, these bridges still serve essential community transportation needs.

The bridge is currently rated in good condition based on federal inspection criteria established by the Federal Highway Administration. The structure meets current safety standards for its designated use and load capacity. With a total length of 78 feet, this is a shorter span typical of local road crossings, often carrying traffic over small streams, drainage channels, or other roadways.

Concrete bridges offer excellent durability and relatively low maintenance requirements. They resist corrosion well but can develop cracking over time, particularly in regions with freeze-thaw cycles or heavy use of deicing chemicals. Regular inspection focuses on detecting cracks, spalling, and reinforcement corrosion.

Federal law requires that all highway bridges be inspected at least every 24 months by qualified inspectors following the National Bridge Inspection Standards (NBIS). Some bridges with known issues or unusual characteristics may be inspected more frequently. Inspection data is reported to the National Bridge Inventory, a database maintained by the Federal Highway Administration that tracks the condition of all public highway bridges in the United States. This bridge data is sourced from that federal database and reflects the most recent available inspection results.

Condition Ratings

8

Deck Condition

Very Good

8

Superstructure

Very Good

8

Substructure

Very Good

8

Channel & Protection

Very Good

8

Lowest Rating

Determines condition category

NBI condition ratings range from 0 (failed) to 9 (excellent). Ratings of 4 or below are considered poor. The overall condition category is determined by the lowest individual component rating.

With a lowest rating of 8, this bridge demonstrates very good condition with only minor issues.

For a structure built in 2014, maintaining good condition demonstrates effective maintenance practices.

Bridge Details

Concrete is the primary structural material, which influences maintenance requirements and expected lifespan. The channel beam design was selected based on span requirements, load capacity needs, and site conditions at the time of construction. Maintenance responsibility falls to County Highway Agency.

Construction

Year Built2014
MaterialConcrete
Design TypeChannel Beam
OwnerCounty Highway Agency

Dimensions

Total Length78 ft (23.7 m)
Max Span40 ft (12.2 m)
Deck Width28 ft
Deck Area20,382 sq ft

Span dimensions affect structural design choices and load distribution. The deck area of 20,382 sq ft determines surface maintenance scope.

Classification

Route TypeCounty Road
Route Number749
Lanes On Bridge2
Lanes Under Bridge

Status

Toll BridgeNo
Historical SignificanceNot eligible
Scour Critical8
Detour Length6 mi (10 km)

Traffic Data

Traffic volume data helps engineers assess bridge wear patterns and plan maintenance schedules. Average Daily Traffic (ADT) counts are updated periodically and represent typical weekday usage.

100

Avg Daily Traffic (2012)

Vehicles per day crossing this bridge

Truck Traffic

Commercial vehicle percentage

120

Projected Future ADT

Estimated future demand

This bridge carries approximately 100 vehicles per day, translating to roughly 36,500 crossings annually. Lower traffic volumes generally result in less structural wear over time.

Traffic projections estimate future volumes of 120 vehicles daily, a 20% increase from current levels. These projections inform capacity planning and potential upgrade requirements.

Load Ratings

Load ratings determine what weight this bridge can safely support. These values are critical for routing heavy vehicles and issuing overweight permits.

Operating Rating

5.0 tons

Maximum allowable load for special permits

Inventory Rating

3.9 tons

Load level for normal traffic

The operating rating of 5.0 tons represents the absolute maximum load this bridge can carry under controlled conditions with special permits. The inventory rating of 3.9 tons is the safe load limit for everyday traffic without restrictions. These relatively low ratings may result in posted weight limits or route restrictions for heavy vehicles.

5-Year Condition Trend

Stable

Condition has remained relatively stable since 2020

Data: 2020-2024 FHWA National Bridge Inventory

Location

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34.130000, -90.040556

Identification

Structure NumberSA530000000A101
NBI IDMS-SA530000000A101
State FIPS28
County FIPS105

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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.

CRAWFORD ROAD over CATALPA CREEK | Mississippi