US Bridges

Montana ST over Carson Creek

Fair

Travis County, Texas · 0.27 MI SE of Vargas RD · Structure no. 142270B01890001

Built
1995
30 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
833
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Montana ST over Carson Creek is a concrete culvert carrying Montana ST over Carson Creek in Travis County, Texas. It was built in 1995, so it is 30 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 833 vehicles a day, roughly 3% of them trucks, projected to reach 4,000 by 2032. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMontana ST
CrossesCarson Creek
Location0.27 MI SE of Vargas RD
RouteCity Street 0
CountyTravis County
StateTexas
Coordinates30.22929, -97.69202
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 length34 ft (10.4 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic833 (2020)
Projected traffic4,000 by 2032
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 Montana ST over Carson Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Montana ST over Carson 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 May 2024.

How much traffic does Montana ST over Carson Creek carry?

About 833 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Montana ST over Carson Creek?

The structure is 34 ft (10.4 m) long with a longest span of 7 ft (2.1 m).

Who owns Montana ST over Carson Creek?

It is owned by the City or Municipal Highway Agency.