US Bridges

SH 71 WB over Colorado River

Fair

Bastrop County, Texas · 0.2 MI W of Colorado DR · Structure no. 140110026505079

Built
1984
41 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,177 ft
10 main spans
Daily traffic
7,920
2023 count
Owner
State
State Highway Agency

About this bridge

SH 71 WB over Colorado River is a prestressed concrete stringer/multi-beam or girder carrying SH 71 WB over Colorado River in Bastrop County, Texas. It was built in 1984, so it is 41 years old, younger 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 7,920 vehicles a day, roughly 8% of them trucks, projected to reach 9,660 by 2033. The structure is 1,177 ft (358.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 71 WB
CrossesColorado River
Location0.2 MI W of Colorado DR
RouteState Highway 71
StateTexas
Coordinates30.0166, -97.14637
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior 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 spans10
Design loadHS 20
Structure length1,177 ft (358.8 m)
Longest span125 ft (38.1 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,920 (2023)
Projected traffic9,660 by 2033
Trucks8%
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 WB over Colorado River built?

It was built in 1984, making it 41 years old in 2025.

What condition is SH 71 WB over Colorado River 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 Colorado River carry?

About 7,920 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SH 71 WB over Colorado River?

The structure is 1,177 ft (358.8 m) long with a longest span of 125 ft (38.1 m) and a deck 40 ft wide.

Who owns SH 71 WB over Colorado River?

It is owned by the State Highway Agency.