US Bridges

Co. Rd. E1520 over Ind. Nation Tp under

Good

Pittsburg County, Oklahoma · 44.88 Mis S. JCT I-40 · Structure no. 175190000000000

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

About this bridge

Co. Rd. E1520 over Ind. Nation Tp under is a prestressed concrete stringer/multi-beam or girder carrying Co. Rd. E1520 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 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 2,500 vehicles a day, roughly 15% of them trucks, projected to reach 4,000 by 2042. The structure is 178 ft (54.3 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesCo. Rd. E1520
CrossesInd. Nation Tp under
Location44.88 Mis S. JCT I-40
RouteCounty Highway E1520
CountyPittsburg County
StateOklahoma
Coordinates34.81111, -95.78944
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.
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating69.7 US tons
Inventory rating41.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span92 ft (28 m)
Deck width23 ft (7 m)
Roadway width18 ft (5.5 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 closed8.1 mi (13 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$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Co. Rd. E1520 over Ind. Nation Tp under built?

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

What condition is Co. Rd. E1520 over Ind. Nation Tp under 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 February 2023.

How much traffic does Co. Rd. E1520 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. E1520 over Ind. Nation Tp under?

The structure is 178 ft (54.3 m) long with a longest span of 92 ft (28 m) and a deck 23 ft wide.

Who owns Co. Rd. E1520 over Ind. Nation Tp under?

It is owned by the State Toll Authority.