US Bridges

W 9th ST over Shoal Creek

Fair

Travis County, Texas · 0.1 MI E of N Lamar Blvd · Structure no. 142270B00029006

Built
1976
49 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
99 ft
1 main span
Daily traffic
1,375
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

W 9th ST over Shoal Creek is a prestressed concrete box beam or girders - multiple carrying W 9th ST over Shoal Creek in Travis County, Texas. It was built in 1976, so it is 49 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 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 1,375 vehicles a day, projected to reach 4,390 by 2034. The structure is 99 ft (30.2 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesW 9th ST
CrossesShoal Creek
Location0.1 MI E of N Lamar Blvd
RouteCity Street 0
CountyTravis County
StateTexas
Coordinates30.27356, -97.75156
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length99 ft (30.2 m)
Longest span97 ft (29.6 m)
Deck width58 ft (17.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,375 (2020)
Projected traffic4,390 by 2034
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W 9th ST over Shoal Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is W 9th ST over Shoal 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 May 2024.

How much traffic does W 9th ST over Shoal Creek carry?

About 1,375 vehicles per day (2020 count).

How long is W 9th ST over Shoal Creek?

The structure is 99 ft (30.2 m) long with a longest span of 97 ft (29.6 m) and a deck 58 ft wide.

Who owns W 9th ST over Shoal Creek?

It is owned by the City or Municipal Highway Agency.