US Bridges

SH 71 WB over Halfway Creek

Fair

Bastrop County, Texas · 0.7 MI W of SH 21 · Structure no. 140110026503048

Built
1950
75 years old, rebuilt 1965
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
51 ft
2 main spans
Daily traffic
20,781
2023 count
Owner
State
State Highway Agency

About this bridge

SH 71 WB over Halfway Creek is a concrete continuous slab carrying SH 71 WB over Halfway Creek in Bastrop County, Texas. It was built in 1950 and reconstructed in 1965, so it is 75 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 20,781 vehicles a day, roughly 12% of them trucks, projected to reach 29,094 by 2042. The structure is 51 ft (15.5 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 71 WB
CrossesHalfway Creek
Location0.7 MI W of SH 21
RouteState Highway 71
StateTexas
Coordinates30.11804, -97.42496
Functional classRural Principal Arterial - Other

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length51 ft (15.5 m)
Longest span25 ft (7.6 m)
Deck width52 ft (16 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,781 (2023)
Projected traffic29,094 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 WB over Halfway Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1965.

What condition is SH 71 WB over Halfway 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 November 2024.

How much traffic does SH 71 WB over Halfway Creek carry?

About 20,781 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SH 71 WB over Halfway Creek?

The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m) and a deck 52 ft wide.

Who owns SH 71 WB over Halfway Creek?

It is owned by the State Highway Agency.