US Bridges

FM 1431 EB over Spanish Oak Creek

Fair

Williamson County, Texas · 2.1 MI E of US 183 · Structure no. 142460137802432

Built
2018
7 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
285 ft
3 main spans
Daily traffic
21,554
2019 count
Owner
State
State Highway Agency

About this bridge

FM 1431 EB over Spanish Oak Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 1431 EB over Spanish Oak Creek in Williamson County, Texas. It was built in 2018, so it is 7 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 21,554 vehicles a day, roughly 3% of them trucks, projected to reach 25,864 by 2039. The structure is 285 ft (86.9 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 1431 EB
CrossesSpanish Oak Creek
Location2.1 MI E of US 183
RouteState Highway 1431
StateTexas
Coordinates30.5305, -97.79625
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length285 ft (86.9 m)
Longest span95 ft (29 m)
Deck width50 ft (15.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,554 (2019)
Projected traffic25,864 by 2039
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FM 1431 EB over Spanish Oak Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is FM 1431 EB over Spanish Oak 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 February 2023.

How much traffic does FM 1431 EB over Spanish Oak Creek carry?

About 21,554 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is FM 1431 EB over Spanish Oak Creek?

The structure is 285 ft (86.9 m) long with a longest span of 95 ft (29 m) and a deck 50 ft wide.

Who owns FM 1431 EB over Spanish Oak Creek?

It is owned by the State Highway Agency.