US Bridges

W 24th ST over Shoal Creek

Fair

Travis County, Texas · 0.05 MI W of Lamar · Structure no. 142270B00068011

Built
1928
97 years old, rebuilt 1939
Condition
Fair
inspected February 2024
Type
Arch - Deck
Concrete
Length
138 ft
3 main spans
Daily traffic
15,735
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

W 24th ST over Shoal Creek is a concrete arch - deck carrying W 24th ST over Shoal Creek in Travis County, Texas. It was built in 1928 and reconstructed in 1939, so it is 97 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 15,735 vehicles a day, roughly 3% of them trucks, projected to reach 10,211 by 2042. The structure is 138 ft (42.1 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW 24th ST
CrossesShoal Creek
Location0.05 MI W of Lamar
RouteCity Street 0
CountyTravis County
StateTexas
Coordinates30.28869, -97.75332
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length138 ft (42.1 m)
Longest span55 ft (16.8 m)
Deck width53 ft (16.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,735 (2020)
Projected traffic10,211 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$14,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W 24th ST over Shoal Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1939.

What condition is W 24th 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 February 2024.

How much traffic does W 24th ST over Shoal Creek carry?

About 15,735 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is W 24th ST over Shoal Creek?

The structure is 138 ft (42.1 m) long with a longest span of 55 ft (16.8 m) and a deck 53 ft wide.

Who owns W 24th ST over Shoal Creek?

It is owned by the City or Municipal Highway Agency.