US Bridges

SH 65 over Oyster Bayou

Good

Chambers County, Texas · 1.0 MI W of FM 1941 · Structure no. 200360036801043

Built
1971
54 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
1,585
2022 count
Owner
State
State Highway Agency

About this bridge

SH 65 over Oyster Bayou is a concrete culvert carrying SH 65 over Oyster Bayou in Chambers County, Texas. It was built in 1971, so it is 54 years old, older 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 1,585 vehicles a day, roughly 11% of them trucks, projected to reach 920 by 2033. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSH 65
CrossesOyster Bayou
Location1.0 MI W of FM 1941
RouteState Highway 65
StateTexas
Coordinates29.79074, -94.5155
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.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,585 (2022)
Projected traffic920 by 2033
Trucks11%
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 SH 65 over Oyster Bayou built?

It was built in 1971, making it 54 years old in 2025.

What condition is SH 65 over Oyster Bayou 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 May 2024.

How much traffic does SH 65 over Oyster Bayou carry?

About 1,585 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is SH 65 over Oyster Bayou?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2.1 m).

Who owns SH 65 over Oyster Bayou?

It is owned by the State Highway Agency.