US Bridges

E 12th ST over Tannehill Branch

Fair

Travis County, Texas · 0.6 MI E of Airport Blvd · Structure no. 142270B00037010

Built
1969
56 years old, rebuilt 1996
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
67 ft
6 main spans
Daily traffic
5,394
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

E 12th ST over Tannehill Branch is a concrete culvert carrying E 12th ST over Tannehill Branch in Travis County, Texas. It was built in 1969 and reconstructed in 1996, so it is 56 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 5,394 vehicles a day, projected to reach 6,202 by 2032. The structure is 67 ft (20.5 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesE 12th ST
CrossesTannehill Branch
Location0.6 MI E of Airport Blvd
RouteCity Street 0
CountyTravis County
StateTexas
Coordinates30.27852, -97.68995
Functional classUrban Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length67 ft (20.5 m)
Longest span10 ft (3 m)
Deck width59 ft (18.1 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,394 (2010)
Projected traffic6,202 by 2032
Trucks0%
Lanes on structure2
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 E 12th ST over Tannehill Branch built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1996.

What condition is E 12th ST over Tannehill Branch 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 April 2024.

How much traffic does E 12th ST over Tannehill Branch carry?

About 5,394 vehicles per day (2010 count).

How long is E 12th ST over Tannehill Branch?

The structure is 67 ft (20.5 m) long with a longest span of 10 ft (3 m) and a deck 59 ft wide.

Who owns E 12th ST over Tannehill Branch?

It is owned by the City or Municipal Highway Agency.