US Bridges

S.H. 112 over Poteau River

Fair

Le Flore County, Oklahoma · 1.7 MI NE JCT US59 · Structure no. 179480000000000

Built
1970
55 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
382 ft
3 main spans
Daily traffic
8,900
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 112 over Poteau River is a steel continuous stringer/multi-beam or girder carrying S.H. 112 over Poteau River in Le Flore County, Oklahoma. It was built in 1970, so it is 55 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 8,900 vehicles a day, roughly 15% of them trucks, projected to reach 14,240 by 2042. The structure is 382 ft (116.4 m) long and 33 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

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CarriesS.H. 112
CrossesPoteau River
Location1.7 MI NE JCT US59
RouteState Highway 112
CountyLe Flore County
StateOklahoma
Coordinates35.10959, -94.6075
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length382 ft (116.4 m)
Longest span100 ft (30.5 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,900 (2022)
Projected traffic14,240 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 112 over Poteau River built?

It was built in 1970, making it 55 years old in 2025.

What condition is S.H. 112 over Poteau River 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 September 2024.

How much traffic does S.H. 112 over Poteau River carry?

About 8,900 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 112 over Poteau River?

The structure is 382 ft (116.4 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.

Who owns S.H. 112 over Poteau River?

It is owned by the State Highway Agency.