US Bridges

Cherokee Tp over Co. Rd. N4520 under

Good

Delaware County, Oklahoma · 3.00 MI E of C/L · Structure no. 239420000000000

Built
1991
34 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
168 ft
3 main spans
Daily traffic
3,050
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Cherokee Tp over Co. Rd. N4520 under is a prestressed concrete continuous stringer/multi-beam or girder carrying Cherokee Tp over Co. Rd. N4520 under in Delaware County, Oklahoma. It was built in 1991, so it is 34 years old, younger 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 3,050 vehicles a day, roughly 25% of them trucks, projected to reach 4,880 by 2042. The structure is 168 ft (51.2 m) long and 43 ft wide.

CarriesCherokee Tp
CrossesCo. Rd. N4520 under
Location3.00 MI E of C/L
Coordinates36.21499, -94.95815
Functional classRural Principal Arterial - Other

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating21.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span62 ft (18.9 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2022)
Projected traffic4,880 by 2042
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Cherokee Tp over Co. Rd. N4520 under built?

It was built in 1991, making it 34 years old in 2025.

What condition is Cherokee Tp over Co. Rd. N4520 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 September 2024.

How much traffic does Cherokee Tp over Co. Rd. N4520 under carry?

About 3,050 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is Cherokee Tp over Co. Rd. N4520 under?

The structure is 168 ft (51.2 m) long with a longest span of 62 ft (18.9 m) and a deck 43 ft wide.

Who owns Cherokee Tp over Co. Rd. N4520 under?

It is owned by the State Toll Authority.