US Bridges

Co. Rd. E1570 over Ind. Nation Tp under

Fair

Pittsburg County, Oklahoma · 50.1 MI S of I-40 · Structure no. 174920000000000

Built
1969
56 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
157 ft
2 main spans
Daily traffic
2,500
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Co. Rd. E1570 over Ind. Nation Tp under is a prestressed concrete stringer/multi-beam or girder carrying Co. Rd. E1570 over Ind. Nation Tp under in Pittsburg County, Oklahoma. It was built in 1969, so it is 56 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 2,500 vehicles a day, roughly 15% of them trucks, projected to reach 4,000 by 2042. The structure is 157 ft (47.9 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesCo. Rd. E1570
CrossesInd. Nation Tp under
Location50.1 MI S of I-40
RouteCounty Highway E1570
CountyPittsburg County
StateOklahoma
Coordinates34.73889, -95.76472
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.8 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length157 ft (47.9 m)
Longest span78 ft (23.8 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2022)
Projected traffic4,000 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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$1.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Co. Rd. E1570 over Ind. Nation Tp under built?

It was built in 1969, making it 56 years old in 2025.

What condition is Co. Rd. E1570 over Ind. Nation Tp 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 Co. Rd. E1570 over Ind. Nation Tp under carry?

About 2,500 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Co. Rd. E1570 over Ind. Nation Tp under?

The structure is 157 ft (47.9 m) long with a longest span of 78 ft (23.8 m) and a deck 29 ft wide.

Who owns Co. Rd. E1570 over Ind. Nation Tp under?

It is owned by the State Toll Authority.