US Bridges

E 21st Street over Waller Creek

Fair

Travis County, Texas · 0.18 MI E of Congress Ave · Structure no. 142270B01616001

Built
1953
72 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
427
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

E 21st Street over Waller Creek is a concrete continuous slab carrying E 21st Street over Waller Creek in Travis County, Texas. It was built in 1953, so it is 72 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 427 vehicles a day, projected to reach 3,880 by 2027. The structure is 87 ft (26.5 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE 21st Street
CrossesWaller Creek
Location0.18 MI E of Congress Ave
RouteCity Street 0
StateTexas
Coordinates30.28328, -97.73439
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
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 typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length87 ft (26.5 m)
Longest span44 ft (13.4 m)
Deck width58 ft (17.8 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic427 (2020)
Projected traffic3,880 by 2027
Trucks0%
Lanes on structure2
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$295,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E 21st Street over Waller Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is E 21st Street over Waller 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 E 21st Street over Waller Creek carry?

About 427 vehicles per day (2020 count).

How long is E 21st Street over Waller Creek?

The structure is 87 ft (26.5 m) long with a longest span of 44 ft (13.4 m) and a deck 58 ft wide.

Who owns E 21st Street over Waller Creek?

It is owned by the City or Municipal Highway Agency.