US Bridges

Loop 150 over Colorado River

Good

Bastrop County, Texas · 0.4 MI E of SH 71 · Structure no. 140110026510103

Built
1993
32 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,290 ft
3 main spans
Daily traffic
19,759
2023 count
Owner
State
State Highway Agency

About this bridge

Loop 150 over Colorado River is a steel continuous stringer/multi-beam or girder carrying Loop 150 over Colorado River in Bastrop County, Texas. It was built in 1993, so it is 32 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 19,759 vehicles a day, roughly 4% of them trucks, projected to reach 24,896 by 2042. The structure is 1,290 ft (393.2 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLoop 150
CrossesColorado River
Location0.4 MI E of SH 71
RouteState Highway 150
StateTexas
Coordinates30.11, -97.32278
Functional classUrban Other Principal Arterial

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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+6 approach)
Design loadHS 20
Structure length1,290 ft (393.2 m)
Longest span215 ft (65.5 m)
Deck width60 ft (18.3 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,759 (2023)
Projected traffic24,896 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Loop 150 over Colorado River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Loop 150 over Colorado River 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 Loop 150 over Colorado River carry?

About 19,759 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Loop 150 over Colorado River?

The structure is 1,290 ft (393.2 m) long with a longest span of 215 ft (65.5 m) and a deck 60 ft wide.

Who owns Loop 150 over Colorado River?

It is owned by the State Highway Agency.