US Bridges

Colorado Street over Willis Creek Branch

Good

Williamson County, Texas · 0.1 MI N of FM 971 · Structure no. 142460J00115501

Built
2015
10 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
101 ft
8 main spans
Daily traffic
183
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Colorado Street over Willis Creek Branch is a concrete culvert carrying Colorado Street over Willis Creek Branch in Williamson County, Texas. It was built in 2015, so it is 10 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 183 vehicles a day, projected to reach 1,400 by 2036. The structure is 101 ft (30.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesColorado Street
CrossesWillis Creek Branch
Location0.1 MI N of FM 971
RouteCity Street 0
StateTexas
Coordinates30.71859, -97.43708
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHL 93
Structure length101 ft (30.8 m)
Longest span9 ft (2.7 m)
Deck width41 ft (12.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183 (2020)
Projected traffic1,400 by 2036
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 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 Colorado Street over Willis Creek Branch built?

It was built in 2015, making it 10 years old in 2025.

What condition is Colorado Street over Willis 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 November 2023.

How much traffic does Colorado Street over Willis Creek Branch carry?

About 183 vehicles per day (2020 count).

How long is Colorado Street over Willis Creek Branch?

The structure is 101 ft (30.8 m) long with a longest span of 9 ft (2.7 m) and a deck 41 ft wide.

Who owns Colorado Street over Willis Creek Branch?

It is owned by the City or Municipal Highway Agency.