FM 957 over Lavaca River Trib

Good

Lavaca County, Texas · 4.20 MI S of FM 532 · Structure no. 131430051506113

Built: 2008; 17 years old
Condition: Good; inspected February 2023
Type: Culvert; Concrete
Length: 30 ft; 2 main spans
Daily traffic: 690; 2020 count
Owner: State; State Highway Agency

About this bridge

FM 957 over Lavaca River Trib is a concrete culvert carrying FM 957 over Lavaca River Trib in Lavaca County, Texas. It was built in 2008, so it is 17 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 690 vehicles a day, roughly 15% of them trucks, projected to reach 980 by 2038. The structure is 30 ft (9.1 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesFM 957

CrossesLavaca River Trib

Location4.20 MI S of FM 532

RouteState Highway 957

CountyLavaca County

StateTexas

Coordinates29.51348, -96.99025

Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	7 Good	Some minor problems.

Last inspectionFebruary 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating60 US tons

Inventory rating36 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckConcrete, cast-in-place

Main spans2

Design loadHS 20

Structure length30 ft (9.1 m)

Longest span12 ft (3.7 m)

Deck width42 ft (12.9 m)

Roadway width28 ft (8.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2020)

Projected traffic980 by 2038

Trucks15%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.9 mi (3 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency

Maintained byState Highway Agency

Historic statusNot eligible for the National Register of Historic Places

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was FM 957 over Lavaca River Trib built?

It was built in 2008, making it 17 years old in 2025.

What condition is FM 957 over Lavaca River Trib in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does FM 957 over Lavaca River Trib carry?

About 690 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is FM 957 over Lavaca River Trib?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m) and a deck 42 ft wide.

Who owns FM 957 over Lavaca River Trib?

It is owned by the State Highway Agency.