US Bridges

FM 172 over Little Post Oak Creek

Fair

Archer County, Texas · 2.0 MI E of US 281 · Structure no. 030050082402006

Built
1966
59 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
788
2020 count
Owner
State
State Highway Agency

About this bridge

FM 172 over Little Post Oak Creek is a concrete stringer/multi-beam or girder carrying FM 172 over Little Post Oak Creek in Archer County, Texas. It was built in 1966, so it is 59 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 788 vehicles a day, roughly 12% of them trucks, projected to reach 1,198 by 2040. The structure is 91 ft (27.7 m) long and 42 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFM 172
CrossesLittle Post Oak Creek
Location2.0 MI E of US 281
RouteState Highway 172
StateTexas
Coordinates33.65555, -98.43613
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic788 (2020)
Projected traffic1,198 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 172 over Little Post Oak Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is FM 172 over Little Post 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 December 2023.

How much traffic does FM 172 over Little Post Oak Creek carry?

About 788 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is FM 172 over Little Post Oak Creek?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns FM 172 over Little Post Oak Creek?

It is owned by the State Highway Agency.