US Bridges

FM 971 over Opossum Creek

Good

Williamson County, Texas · 3.80 MI W of SH 95 · Structure no. 142460269001013

Built
1993
32 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
160 ft
2 main spans
Daily traffic
1,088
2021 count
Owner
State
State Highway Agency

About this bridge

FM 971 over Opossum Creek is a prestressed concrete box beam or girders - multiple carrying FM 971 over Opossum Creek in Williamson County, Texas. It was built in 1993, so it is 32 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 1,088 vehicles a day, roughly 16% of them trucks, projected to reach 1,523 by 2041. The structure is 160 ft (48.8 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM 971
CrossesOpossum Creek
Location3.80 MI W of SH 95
RouteState Highway 971
StateTexas
Coordinates30.69056, -97.48864
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span80 ft (24.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,088 (2021)
Projected traffic1,523 by 2041
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 971 over Opossum Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is FM 971 over Opossum Creek 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 March 2023.

How much traffic does FM 971 over Opossum Creek carry?

About 1,088 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is FM 971 over Opossum Creek?

The structure is 160 ft (48.8 m) long with a longest span of 80 ft (24.4 m) and a deck 32 ft wide.

Who owns FM 971 over Opossum Creek?

It is owned by the State Highway Agency.