US Bridges

US 183 SB Ml over Colorado River

Good

Travis County, Texas · 8.3 Mi. S. of Jct. IH 35 · Structure no. 142270026501100

Built
1994
31 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,854 ft
17 main spans
Daily traffic
44,056
2018 count
Owner
State
State Highway Agency

About this bridge

US 183 SB Ml over Colorado River is a prestressed concrete stringer/multi-beam or girder carrying US 183 SB Ml over Colorado River in Travis County, Texas. It was built in 1994, so it is 31 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 44,056 vehicles a day, roughly 2% of them trucks, projected to reach 57,130 by 2033. The structure is 1,854 ft (565.1 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 183 SB Ml
CrossesColorado River
Location8.3 Mi. S. of Jct. IH 35
RouteU.S. Route 183
StateTexas
Coordinates30.24559, -97.69117
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans17
Design loadHS 20
Structure length1,854 ft (565.1 m)
Longest span122 ft (37.2 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,056 (2018)
Projected traffic57,130 by 2033
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 US 183 SB Ml over Colorado River built?

It was built in 1994, making it 31 years old in 2025.

What condition is US 183 SB Ml 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 July 2023.

How much traffic does US 183 SB Ml over Colorado River carry?

About 44,056 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is US 183 SB Ml over Colorado River?

The structure is 1,854 ft (565.1 m) long with a longest span of 122 ft (37.2 m) and a deck 71 ft wide.

Who owns US 183 SB Ml over Colorado River?

It is owned by the State Highway Agency.