US Bridges

SH 71 EB over Alum Creek

Good

Bastrop County, Texas · 6.0 MI E of SH 95 · Structure no. 140110026505096

Built
1988
37 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
162 ft
2 main spans
Daily traffic
11,259
2023 count
Owner
State
State Highway Agency

About this bridge

SH 71 EB over Alum Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 71 EB over Alum Creek in Bastrop County, Texas. It was built in 1988, so it is 37 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 11,259 vehicles a day, roughly 11% of them trucks, projected to reach 17,565 by 2042. The structure is 162 ft (49.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 71 EB
CrossesAlum Creek
Location6.0 MI E of SH 95
RouteState Highway 71
StateTexas
Coordinates30.06784, -97.21919
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 protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum 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 length162 ft (49.4 m)
Longest span85 ft (25.9 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,259 (2023)
Projected traffic17,565 by 2042
Trucks11%
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 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 SH 71 EB over Alum Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is SH 71 EB over Alum 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 Alum Creek carry?

About 11,259 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SH 71 EB over Alum Creek?

The structure is 162 ft (49.4 m) long with a longest span of 85 ft (25.9 m) and a deck 40 ft wide.

Who owns SH 71 EB over Alum Creek?

It is owned by the State Highway Agency.