US Bridges

US 183 Sbml over Little Walnut Creek

Good

Travis County, Texas · 0.75 MI N of FM 969 · Structure no. 142270015109502

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
247 ft
1 main span
Daily traffic
13,000
2015 count
Owner
Toll Authority
Local Toll Authority

About this bridge

US 183 Sbml over Little Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying US 183 Sbml over Little Walnut Creek in Travis County, Texas. It was built in 2019, so it is 6 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 13,000 vehicles a day, roughly 2% of them trucks, projected to reach 18,600 by 2035. The structure is 247 ft (75.3 m) long and 58 ft wide.

CarriesUS 183 Sbml
CrossesLittle Walnut Creek
Location0.75 MI N of FM 969
StateTexas
Coordinates30.29655, -97.66256
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 spans1 (+2 approach)
Design loadHL 93
Structure length247 ft (75.3 m)
Longest span129 ft (39.3 m)
Deck width58 ft (17.8 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2015)
Projected traffic18,600 by 2035
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
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 US 183 Sbml over Little Walnut Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is US 183 Sbml over Little Walnut 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 September 2023.

How much traffic does US 183 Sbml over Little Walnut Creek carry?

About 13,000 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is US 183 Sbml over Little Walnut Creek?

The structure is 247 ft (75.3 m) long with a longest span of 129 ft (39.3 m) and a deck 58 ft wide.

Who owns US 183 Sbml over Little Walnut Creek?

It is owned by the Local Toll Authority.