US Bridges

SH 71 EB over Halfway Creek

Good

Bastrop County, Texas · 0.7 MI W of SH 21 · Structure no. 140110026503066

Built
1975
50 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
62 ft
2 main spans
Daily traffic
20,781
2023 count
Owner
State
State Highway Agency

About this bridge

SH 71 EB over Halfway Creek is a concrete stringer/multi-beam or girder carrying SH 71 EB over Halfway Creek in Bastrop County, Texas. It was built in 1975, so it is 50 years old, older 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 20,781 vehicles a day, roughly 12% of them trucks, projected to reach 29,094 by 2042. The structure is 62 ft (18.9 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 71 EB
CrossesHalfway Creek
Location0.7 MI W of SH 21
RouteState Highway 71
StateTexas
Coordinates30.11782, -97.42516
Functional classRural Principal Arterial - Other

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.5 m)
Roadway width43 ft (13 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 EB over Halfway Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is SH 71 EB over Halfway 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 November 2024.

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

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

How long is SH 71 EB over Halfway Creek?

The structure is 62 ft (18.9 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns SH 71 EB over Halfway Creek?

It is owned by the State Highway Agency.