US Bridges

SH71EB to US183SB over Carson Creek

Fair

Travis County, Texas · 0.1 MI SE of SH 71 EB · Structure no. 142270011313052

Built
1959
66 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
26,000
2013 count
Owner
State
State Highway Agency

About this bridge

SH71EB to US183SB over Carson Creek is a concrete culvert carrying SH71EB to US183SB over Carson Creek in Travis County, Texas. It was built in 1959, so it is 66 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 26,000 vehicles a day, roughly 11% of them trucks, projected to reach 30,100 by 2035. The structure is 36 ft (11 m) long.

Location

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CarriesSH71EB to US183SB
CrossesCarson Creek
Location0.1 MI SE of SH 71 EB
RouteState Highway 71
CountyTravis County
StateTexas
Coordinates30.2201, -97.68364
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadOther
Structure length36 ft (11 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2013)
Projected traffic30,100 by 2035
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH71EB to US183SB over Carson Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is SH71EB to US183SB over Carson 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 2023.

How much traffic does SH71EB to US183SB over Carson Creek carry?

About 26,000 vehicles per day (2013 count), of which roughly 11% are trucks.

How long is SH71EB to US183SB over Carson Creek?

The structure is 36 ft (11 m) long with a longest span of 8 ft (2.4 m).

Who owns SH71EB to US183SB over Carson Creek?

It is owned by the State Highway Agency.