US Bridges

FM 171 over Wichita River

Good

Clay County, Texas · 1.6 MI NW of SH 79 · Structure no. 030390068103025

Built
1991
34 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
304 ft
1 main span
Daily traffic
175
2023 count
Owner
State
State Highway Agency

About this bridge

FM 171 over Wichita River is a prestressed concrete stringer/multi-beam or girder carrying FM 171 over Wichita River in Clay County, Texas. It was built in 1991, so it is 34 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 175 vehicles a day, roughly 19% of them trucks, projected to reach 370 by 2031. The structure is 304 ft (92.7 m) long and 32 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesFM 171
CrossesWichita River
Location1.6 MI NW of SH 79
RouteState Highway 171
StateTexas
Coordinates34.08813, -98.20268
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+3 approach)
Design loadHS 20
Structure length304 ft (92.7 m)
Longest span130 ft (39.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2023)
Projected traffic370 by 2031
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

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 171 over Wichita River built?

It was built in 1991, making it 34 years old in 2025.

What condition is FM 171 over Wichita River 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 FM 171 over Wichita River carry?

About 175 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is FM 171 over Wichita River?

The structure is 304 ft (92.7 m) long with a longest span of 130 ft (39.6 m) and a deck 32 ft wide.

Who owns FM 171 over Wichita River?

It is owned by the State Highway Agency.