US Bridges

FM 1942 over Cedar Bayou

Fair

Chambers County, Texas · 3.2 MI W of SH 146 · Structure no. 200360181202004

Built
1968
57 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
273 ft
9 main spans
Daily traffic
8,576
2022 count
Owner
State
State Highway Agency

About this bridge

FM 1942 over Cedar Bayou is a concrete stringer/multi-beam or girder carrying FM 1942 over Cedar Bayou in Chambers County, Texas. It was built in 1968, so it is 57 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 8,576 vehicles a day, roughly 6% of them trucks, projected to reach 10,790 by 2033. The structure is 273 ft (83.2 m) long and 46 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM 1942
CrossesCedar Bayou
Location3.2 MI W of SH 146
RouteState Highway 1942
StateTexas
Coordinates29.84952, -94.94718
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length273 ft (83.2 m)
Longest span30 ft (9.1 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,576 (2022)
Projected traffic10,790 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 1942 over Cedar Bayou built?

It was built in 1968, making it 57 years old in 2025.

What condition is FM 1942 over Cedar 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 June 2024.

How much traffic does FM 1942 over Cedar Bayou carry?

About 8,576 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is FM 1942 over Cedar Bayou?

The structure is 273 ft (83.2 m) long with a longest span of 30 ft (9.1 m) and a deck 46 ft wide.

Who owns FM 1942 over Cedar Bayou?

It is owned by the State Highway Agency.