US Bridges

Ind. Nation Tp over S.H. 31 &u.P. R.R. under

Fair

Pittsburg County, Oklahoma · 18.3 MI E SH31A · Structure no. 166060000000000

Built
1965
60 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
246 ft
4 main spans
Daily traffic
8,400
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Ind. Nation Tp over S.H. 31 &u.P. R.R. under is a prestressed concrete stringer/multi-beam or girder carrying Ind. Nation Tp over S.H. 31 &u.P. R.R. under in Pittsburg County, Oklahoma. It was built in 1965, so it is 60 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 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 8,400 vehicles a day, roughly 25% of them trucks, projected to reach 13,440 by 2042. The structure is 246 ft (75 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInd. Nation Tp
CrossesS.H. 31 &u.P. R.R. under
Location18.3 MI E SH31A
CountyPittsburg County
StateOklahoma
Coordinates34.92534, -95.83299
Functional classRural Principal Arterial - Other

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.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length246 ft (75 m)
Longest span68 ft (20.7 m)
Deck width74 ft (22.6 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,400 (2022)
Projected traffic13,440 by 2042
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ind. Nation Tp over S.H. 31 &u.P. R.R. under built?

It was built in 1965, making it 60 years old in 2025.

What condition is Ind. Nation Tp over S.H. 31 &u.P. R.R. under 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 Ind. Nation Tp over S.H. 31 &u.P. R.R. under carry?

About 8,400 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is Ind. Nation Tp over S.H. 31 &u.P. R.R. under?

The structure is 246 ft (75 m) long with a longest span of 68 ft (20.7 m) and a deck 74 ft wide.

Who owns Ind. Nation Tp over S.H. 31 &u.P. R.R. under?

It is owned by the State Toll Authority.