US Bridges

FM 2936 over W Fk Double Bayou

Fair

Chambers County, Texas · 0.9 MI E of FM 563 · Structure no. 200360295101001

Built
1967
58 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
352
2022 count
Owner
State
State Highway Agency

About this bridge

FM 2936 over W Fk Double Bayou is a concrete stringer/multi-beam or girder carrying FM 2936 over W Fk Double Bayou in Chambers County, Texas. It was built in 1967, so it is 58 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 352 vehicles a day, roughly 10% of them trucks, projected to reach 470 by 2033. The structure is 91 ft (27.7 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesFM 2936
CrossesW Fk Double Bayou
Location0.9 MI E of FM 563
RouteState Highway 2936
CountyChambers County
StateTexas
Coordinates29.73068, -94.66018
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic352 (2022)
Projected traffic470 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 2936 over W Fk Double Bayou built?

It was built in 1967, making it 58 years old in 2025.

What condition is FM 2936 over W Fk Double Bayou 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 May 2024.

How much traffic does FM 2936 over W Fk Double Bayou carry?

About 352 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is FM 2936 over W Fk Double Bayou?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns FM 2936 over W Fk Double Bayou?

It is owned by the State Highway Agency.