US Bridges

Colony Loop DR over Walnut Creek Branch

Good

Travis County, Texas · 0.41 MI NE of Loyola Lane · Structure no. 142270B02381001

Built
1986
39 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
28 ft
4 main spans
Daily traffic
1,080
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Colony Loop DR over Walnut Creek Branch is a concrete culvert carrying Colony Loop DR over Walnut Creek Branch in Travis County, Texas. It was built in 1986, so it is 39 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 1,080 vehicles a day, projected to reach 1,280 by 2032. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesColony Loop DR
CrossesWalnut Creek Branch
Location0.41 MI NE of Loyola Lane
RouteCity Street 0
StateTexas
Coordinates30.30242, -97.63739
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 spans4
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,080 (2010)
Projected traffic1,280 by 2032
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 Colony Loop DR over Walnut Creek Branch built?

It was built in 1986, making it 39 years old in 2025.

What condition is Colony Loop DR over Walnut 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 March 2024.

How much traffic does Colony Loop DR over Walnut Creek Branch carry?

About 1,080 vehicles per day (2010 count).

How long is Colony Loop DR over Walnut Creek Branch?

The structure is 28 ft (8.5 m) long with a longest span of 5 ft (1.5 m).

Who owns Colony Loop DR over Walnut Creek Branch?

It is owned by the City or Municipal Highway Agency.