US Bridges

Mountain Quail RD over Little Walnut Creek

Fair

Travis County, Texas · 1.10 MI NE of Rundberg LN · Structure no. 142270B04190001

Built
1972
53 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
39 ft
4 main spans
Daily traffic
841
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mountain Quail RD over Little Walnut Creek is a concrete culvert carrying Mountain Quail RD over Little Walnut Creek in Travis County, Texas. It was built in 1972, so it is 53 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 841 vehicles a day, projected to reach 2,000 by 2030. The structure is 39 ft (11.9 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMountain Quail RD
CrossesLittle Walnut Creek
Location1.10 MI NE of Rundberg LN
RouteCity Street 0
CountyTravis County
StateTexas
Coordinates30.37579, -97.70558
Functional classUrban Local

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable 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
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span9 ft (2.7 m)
Deck width58 ft (17.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic841 (2020)
Projected traffic2,000 by 2030
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$122,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mountain Quail RD over Little Walnut Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Mountain Quail RD over Little Walnut 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 March 2024.

How much traffic does Mountain Quail RD over Little Walnut Creek carry?

About 841 vehicles per day (2020 count).

How long is Mountain Quail RD over Little Walnut Creek?

The structure is 39 ft (11.9 m) long with a longest span of 9 ft (2.7 m) and a deck 58 ft wide.

Who owns Mountain Quail RD over Little Walnut Creek?

It is owned by the City or Municipal Highway Agency.