US Bridges

FM 908 over Briar Branch

Fair

Milam County, Texas · 5.45 MI S of US 77 · Structure no. 171660085802006

Built
1959
66 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
85 ft
8 main spans
Daily traffic
689
2023 count
Owner
State
State Highway Agency

About this bridge

FM 908 over Briar Branch is a concrete culvert carrying FM 908 over Briar Branch in Milam County, Texas. It was built in 1959, so it is 66 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 689 vehicles a day, roughly 14% of them trucks, projected to reach 1,199 by 2042. The structure is 85 ft (25.9 m) long and 43 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesFM 908
CrossesBriar Branch
Location5.45 MI S of US 77
RouteState Highway 908
StateTexas
Coordinates30.57223, -96.94975
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadOther
Structure length85 ft (25.9 m)
Longest span10 ft (3 m)
Deck width43 ft (13.2 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic689 (2023)
Projected traffic1,199 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 908 over Briar Branch built?

It was built in 1959, making it 66 years old in 2025.

What condition is FM 908 over Briar Branch 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 September 2024.

How much traffic does FM 908 over Briar Branch carry?

About 689 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is FM 908 over Briar Branch?

The structure is 85 ft (25.9 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns FM 908 over Briar Branch?

It is owned by the State Highway Agency.