US Bridges

Sam Thomas RD over Creek

Fair

Washington Parish, Louisiana · 1.5 Miles North of LA 438 · Structure no. 625900000109147

Built
2014
11 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
324
2022 count
Owner
County
County Highway Agency

About this bridge

Sam Thomas RD over Creek is a concrete slab carrying Sam Thomas RD over Creek in Washington Parish, Louisiana. It was built in 2014, so it is 11 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 324 vehicles a day, projected to reach 356 by 2042. The structure is 80 ft (24.4 m) long and 26 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSam Thomas RD
CrossesCreek
Location1.5 Miles North of LA 438
RouteCounty Highway 0
Coordinates30.99731, -90.07236
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic324 (2022)
Projected traffic356 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sam Thomas RD over Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Sam Thomas RD over Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Sam Thomas RD over Creek carry?

About 324 vehicles per day (2022 count).

How long is Sam Thomas RD over Creek?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Sam Thomas RD over Creek?

It is owned by the County Highway Agency.