US Bridges

US 290 WB over Williamson Creek

Fair

Travis County, Texas · 2.1 MI W of Lp 1 · Structure no. 142270011308022

Built
1934
91 years old, rebuilt 1963
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
50,822
2020 count
Owner
State
State Highway Agency

About this bridge

US 290 WB over Williamson Creek is a concrete slab carrying US 290 WB over Williamson Creek in Travis County, Texas. It was built in 1934 and reconstructed in 1963, so it is 91 years old, older 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 5 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 50,822 vehicles a day, roughly 4% of them trucks, projected to reach 74,240 by 2033. The structure is 120 ft (36.6 m) long and 29 ft wide.

Location

Open in Google Maps
CarriesUS 290 WB
CrossesWilliamson Creek
Location2.1 MI W of Lp 1
RouteU.S. Route 290
CountyTravis County
StateTexas
Coordinates30.23534, -97.86024
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,822 (2020)
Projected traffic74,240 by 2033
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$18,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 290 WB over Williamson Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1963.

What condition is US 290 WB over Williamson Creek 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 August 2024.

How much traffic does US 290 WB over Williamson Creek carry?

About 50,822 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is US 290 WB over Williamson Creek?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns US 290 WB over Williamson Creek?

It is owned by the State Highway Agency.