US Bridges

South Brook DR over Williamson Creek Branch

Good

Travis County, Texas · 0.05 MI S of Scenic Brook · Structure no. 142270B05670001

Built
1967
58 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
333
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

South Brook DR over Williamson Creek Branch is a concrete culvert carrying South Brook DR over Williamson Creek Branch in Travis County, Texas. It was built in 1967, so it is 58 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 333 vehicles a day, projected to reach 1,000 by 2034. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSouth Brook DR
CrossesWilliamson Creek Branch
Location0.05 MI S of Scenic Brook
RouteCity Street 0
StateTexas
Coordinates30.23799, -97.88888
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
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
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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic333 (2020)
Projected traffic1,000 by 2034
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$62,000
NavigationNo navigation control on waterway

Frequently asked questions

When was South Brook DR over Williamson Creek Branch built?

It was built in 1967, making it 58 years old in 2025.

What condition is South Brook DR over Williamson Creek Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does South Brook DR over Williamson Creek Branch carry?

About 333 vehicles per day (2020 count).

How long is South Brook DR over Williamson Creek Branch?

The structure is 27 ft (8.2 m) long with a longest span of 7 ft (2.1 m).

Who owns South Brook DR over Williamson Creek Branch?

It is owned by the City or Municipal Highway Agency.