US Bridges

FM 138 over Attoyac River Relief

Fair

Shelby County, Texas · 0.85 MI W of FM 415 · Structure no. 112100074302012

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
200 ft
8 main spans
Daily traffic
373
2024 count
Owner
State
State Highway Agency

About this bridge

FM 138 over Attoyac River Relief is a concrete slab carrying FM 138 over Attoyac River Relief in Shelby County, Texas. It was built in 1961, so it is 64 years old, older than the Texas average of 44.4 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 373 vehicles a day, roughly 13% of them trucks, projected to reach 559 by 2040. The structure is 200 ft (61 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFM 138
CrossesAttoyac River Relief
Location0.85 MI W of FM 415
RouteState Highway 138
StateTexas
Coordinates31.76833, -94.42312
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length200 ft (61 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic373 (2024)
Projected traffic559 by 2040
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 138 over Attoyac River Relief built?

It was built in 1961, making it 64 years old in 2025.

What condition is FM 138 over Attoyac River Relief 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 April 2024.

How much traffic does FM 138 over Attoyac River Relief carry?

About 373 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is FM 138 over Attoyac River Relief?

The structure is 200 ft (61 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns FM 138 over Attoyac River Relief?

It is owned by the State Highway Agency.