US Bridges

SH 71 WB Ml over Detention Pond

Good

Travis County, Texas · 0.05 MI W of US 183 · Structure no. 142270011313479

Built
2020
5 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
688 ft
6 main spans
Daily traffic
30,800
2013 count
Owner
State
State Highway Agency

About this bridge

SH 71 WB Ml over Detention Pond is a prestressed concrete stringer/multi-beam or girder carrying SH 71 WB Ml over Detention Pond in Travis County, Texas. It was built in 2020, so it is 5 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 30,800 vehicles a day, roughly 5% of them trucks, projected to reach 36,000 by 2030. The structure is 688 ft (209.7 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 71 WB Ml
CrossesDetention Pond
Location0.05 MI W of US 183
RouteState Highway 71
StateTexas
Coordinates30.22134, -97.68584
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal 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 spans6
Design loadHL 93
Structure length688 ft (209.7 m)
Longest span130 ft (39.5 m)
Deck width58 ft (17.8 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deck18 ft (5.6 m)

Traffic and service

Average daily traffic30,800 (2013)
Projected traffic36,000 by 2030
Trucks5%
Lanes on structure3
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 byLocal Toll Authority
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 WB Ml over Detention Pond built?

It was built in 2020, making it 5 years old in 2025.

What condition is SH 71 WB Ml over Detention Pond 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 July 2023.

How much traffic does SH 71 WB Ml over Detention Pond carry?

About 30,800 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is SH 71 WB Ml over Detention Pond?

The structure is 688 ft (209.7 m) long with a longest span of 130 ft (39.5 m) and a deck 58 ft wide.

Who owns SH 71 WB Ml over Detention Pond?

It is owned by the State Highway Agency and maintained by the Local Toll Authority.