US Bridges

Jennings Branch RD over Cowan Creek

Good

Williamson County, Texas · 0.30 MI N of CR 245 · Structure no. 142460AA1040001

Built
1992
33 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
62 ft
8 main spans
Daily traffic
173
2020 count
Owner
County
County Highway Agency

About this bridge

Jennings Branch RD over Cowan Creek is a concrete culvert carrying Jennings Branch RD over Cowan Creek in Williamson County, Texas. It was built in 1992, so it is 33 years old, younger 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 173 vehicles a day, projected to reach 200 by 2030. The structure is 62 ft (18.9 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesJennings Branch RD
CrossesCowan Creek
Location0.30 MI N of CR 245
RouteCounty Highway 124
CountyWilliamson County
StateTexas
Coordinates30.73982, -97.77009
Functional classRural 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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
DeckConcrete, cast-in-place
Main spans8
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span7 ft (2.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic173 (2020)
Projected traffic200 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Jennings Branch RD over Cowan Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Jennings Branch RD over Cowan Creek 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 October 2023.

How much traffic does Jennings Branch RD over Cowan Creek carry?

About 173 vehicles per day (2020 count).

How long is Jennings Branch RD over Cowan Creek?

The structure is 62 ft (18.9 m) long with a longest span of 7 ft (2.1 m) and a deck 28 ft wide.

Who owns Jennings Branch RD over Cowan Creek?

It is owned by the County Highway Agency.