US Bridges

N4520 Park Hill RD over Tahlequah Creek Trib.

Good

Cherokee County, Oklahoma · E of Bertha Parker Expy · Structure no. 274930000000000

Built
2003
22 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
400
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N4520 Park Hill RD over Tahlequah Creek Trib. is a concrete culvert carrying N4520 Park Hill RD over Tahlequah Creek Trib. in Cherokee County, Oklahoma. It was built in 2003, so it is 22 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 640 by 2042. The structure is 38 ft (11.6 m) long and 50 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesN4520 Park Hill RD
CrossesTahlequah Creek Trib.
LocationE of Bertha Parker Expy
RouteCity Street N4520
Coordinates35.89198, -94.96933
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span10 ft (2.9 m)
Deck width50 ft (15.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic640 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4520 Park Hill RD over Tahlequah Creek Trib. built?

It was built in 2003, making it 22 years old in 2025.

What condition is N4520 Park Hill RD over Tahlequah Creek Trib. 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 June 2023.

How much traffic does N4520 Park Hill RD over Tahlequah Creek Trib. carry?

About 400 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N4520 Park Hill RD over Tahlequah Creek Trib.?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (2.9 m) and a deck 50 ft wide.

Who owns N4520 Park Hill RD over Tahlequah Creek Trib.?

It is owned by the City or Municipal Highway Agency.