US Bridges

FM 271 over Bois Darc Branch

Good

Fannin County, Texas · 0.6 MI E of SH 78 · Structure no. 010750069001010

Built
1985
40 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
775
2020 count
Owner
State
State Highway Agency

About this bridge

FM 271 over Bois Darc Branch is a concrete culvert carrying FM 271 over Bois Darc Branch in Fannin County, Texas. It was built in 1985, so it is 40 years old, younger 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 775 vehicles a day, roughly 15% of them trucks, projected to reach 1,010 by 2040. The structure is 28 ft (8.5 m) long and 41 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFM 271
CrossesBois Darc Branch
Location0.6 MI E of SH 78
RouteState Highway 271
StateTexas
Coordinates33.55399, -96.16617
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width41 ft (12.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (2020)
Projected traffic1,010 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 271 over Bois Darc Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is FM 271 over Bois Darc Branch 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 December 2024.

How much traffic does FM 271 over Bois Darc Branch carry?

About 775 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is FM 271 over Bois Darc Branch?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m) and a deck 41 ft wide.

Who owns FM 271 over Bois Darc Branch?

It is owned by the State Highway Agency.