US Bridges

SH 71 over Willow Creek

Fair

Llano County, Texas · 3.50 MI NW of SH 29 · Structure no. 141500057704010

Built
1961
64 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
128 ft
5 main spans
Daily traffic
2,847
2020 count
Owner
State
State Highway Agency

About this bridge

SH 71 over Willow Creek is a concrete slab carrying SH 71 over Willow Creek in Llano County, Texas. It was built in 1961, so it is 64 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 2,847 vehicles a day, roughly 22% of them trucks, projected to reach 3,350 by 2033. The structure is 128 ft (39 m) long and 44 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesSH 71
CrossesWillow Creek
Location3.50 MI NW of SH 29
RouteState Highway 71
StateTexas
Coordinates30.80244, -98.7635
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 rating55 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadOther
Structure length128 ft (39 m)
Longest span25 ft (7.6 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,847 (2020)
Projected traffic3,350 by 2033
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 71 over Willow Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is SH 71 over Willow Creek 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 May 2023.

How much traffic does SH 71 over Willow Creek carry?

About 2,847 vehicles per day (2020 count), of which roughly 22% are trucks.

How long is SH 71 over Willow Creek?

The structure is 128 ft (39 m) long with a longest span of 25 ft (7.6 m) and a deck 44 ft wide.

Who owns SH 71 over Willow Creek?

It is owned by the State Highway Agency.