US Bridges

FM 1431 over Cow Creek

Fair

Travis County, Texas · 18.3 MI W of Int US 183 · Structure no. 142270137801012

Built
1960
65 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Concrete
Length
240 ft
6 main spans
Daily traffic
2,156
2018 count
Owner
State
State Highway Agency

About this bridge

FM 1431 over Cow Creek is a concrete stringer/multi-beam or girder carrying FM 1431 over Cow Creek in Travis County, Texas. It was built in 1960, so it is 65 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 2,156 vehicles a day, roughly 10% of them trucks, projected to reach 2,510 by 2033. The structure is 240 ft (73.2 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFM 1431
CrossesCow Creek
Location18.3 MI W of Int US 183
RouteState Highway 1431
CountyTravis County
StateTexas
Coordinates30.51423, -98.04159
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadOther
Structure length240 ft (73.2 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,156 (2018)
Projected traffic2,510 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1431 over Cow Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is FM 1431 over Cow 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 January 2025.

How much traffic does FM 1431 over Cow Creek carry?

About 2,156 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is FM 1431 over Cow Creek?

The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns FM 1431 over Cow Creek?

It is owned by the State Highway Agency.