US Bridges

Bull Run over Walnut Creek Branch

Fair

Travis County, Texas · 0.10 MI NW Mustang Chase · Structure no. 142270B03700001

Built
1994
31 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
2 main spans
Daily traffic
143
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bull Run over Walnut Creek Branch is a prestressed concrete box beam or girders - multiple carrying Bull Run over Walnut Creek Branch in Travis County, Texas. It was built in 1994, so it is 31 years old, younger 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 143 vehicles a day, roughly 3% of them trucks, projected to reach 195 by 2042. The structure is 70 ft (21.3 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBull Run
CrossesWalnut Creek Branch
Location0.10 MI NW Mustang Chase
RouteCity Street 0
CountyTravis County
StateTexas
Coordinates30.42061, -97.74028
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span35 ft (10.7 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143 (2020)
Projected traffic195 by 2042
Trucks3%
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 Bull Run over Walnut Creek Branch built?

It was built in 1994, making it 31 years old in 2025.

What condition is Bull Run over Walnut Creek Branch 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 February 2024.

How much traffic does Bull Run over Walnut Creek Branch carry?

About 143 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Bull Run over Walnut Creek Branch?

The structure is 70 ft (21.3 m) long with a longest span of 35 ft (10.7 m) and a deck 44 ft wide.

Who owns Bull Run over Walnut Creek Branch?

It is owned by the City or Municipal Highway Agency.