US Bridges

Mammoth Cave Blvd over Wilbarger Creek

Good

Travis County, Texas · 0.30 MI N of Pfluger Loop · Structure no. 142270G00240001

Built
2004
21 years old
Condition
Good
inspected April 2024
Type
Arch - Deck
Concrete
Length
151 ft
5 main spans
Daily traffic
2,447
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mammoth Cave Blvd over Wilbarger Creek is a concrete arch - deck carrying Mammoth Cave Blvd over Wilbarger Creek in Travis County, Texas. It was built in 2004, so it is 21 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 2,447 vehicles a day, projected to reach 600 by 2027. The structure is 151 ft (46 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMammoth Cave Blvd
CrossesWilbarger Creek
Location0.30 MI N of Pfluger Loop
RouteCity Street 0
CountyTravis County
StateTexas
Coordinates30.46108, -97.61481
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length151 ft (46 m)
Longest span30 ft (9.2 m)
Deck width51 ft (15.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,447 (2020)
Projected traffic600 by 2027
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Mammoth Cave Blvd over Wilbarger Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Mammoth Cave Blvd over Wilbarger 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 April 2024.

How much traffic does Mammoth Cave Blvd over Wilbarger Creek carry?

About 2,447 vehicles per day (2020 count).

How long is Mammoth Cave Blvd over Wilbarger Creek?

The structure is 151 ft (46 m) long with a longest span of 30 ft (9.2 m) and a deck 51 ft wide.

Who owns Mammoth Cave Blvd over Wilbarger Creek?

It is owned by the City or Municipal Highway Agency.