US Bridges

FM 276 over Patroon Bayou

Fair

Sabine County, Texas · 3.00 MI E of SH 87 · Structure no. 112020167901002

Built
1967
58 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
2,120 ft
53 main spans
Daily traffic
19
2023 count
Owner
State
State Highway Agency

About this bridge

FM 276 over Patroon Bayou is a concrete stringer/multi-beam or girder carrying FM 276 over Patroon Bayou in Sabine 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 5 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 19 vehicles a day, roughly 9% of them trucks, projected to reach 1,090 by 2033. The structure is 2,120 ft (646.2 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFM 276
CrossesPatroon Bayou
Location3.00 MI E of SH 87
RouteState Highway 276
StateTexas
Coordinates31.52333, -93.79788
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating30 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans53
Design loadH 15
Structure length2,120 ft (646.2 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19 (2023)
Projected traffic1,090 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 276 over Patroon Bayou built?

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

What condition is FM 276 over Patroon 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 276 over Patroon Bayou carry?

About 19 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is FM 276 over Patroon Bayou?

The structure is 2,120 ft (646.2 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns FM 276 over Patroon Bayou?

It is owned by the State Highway Agency.