US Bridges

N4490 over Creek

GoodPosted for load

Cherokee County, Oklahoma · 2.5 W 0.4 N Tahlequah · Structure no. 135430000000000

Built
1956
69 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
300
2022 count
Owner
County
County Highway Agency

About this bridge

N4490 over Creek is a concrete culvert carrying N4490 over Creek in Cherokee County, Oklahoma. It was built in 1956, so it is 69 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. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 10% of them trucks, projected to reach 480 by 2042. The structure is 29 ft (8.9 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN4490
CrossesCreek
Location2.5 W 0.4 N Tahlequah
RouteCounty Highway N4490
Coordinates35.92155, -95.01143
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.5 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length29 ft (8.9 m)
Longest span10 ft (3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic480 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4490 over Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is N4490 over Creek 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 August 2023.

How much traffic does N4490 over Creek carry?

About 300 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4490 over Creek?

The structure is 29 ft (8.9 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns N4490 over Creek?

It is owned by the County Highway Agency.