US Bridges

N4480 over Creek

FairPosted for load

Cherokee County, Oklahoma · 3.5 N & 3.5 W of Tahlequa · Structure no. 248140000000000

Built
1989
36 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
64 ft
5 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4480 over Creek is a concrete continuous slab carrying N4480 over Creek in Cherokee County, Oklahoma. It was built in 1989, so it is 36 years old, younger 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 64 ft (19.6 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesN4480
CrossesCreek
Location3.5 N & 3.5 W of Tahlequa
RouteCounty Highway 1126C
CountyCherokee County
StateOklahoma
Coordinates35.97969, -95.02917
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.2 US tons
Inventory rating10.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length64 ft (19.6 m)
Longest span13 ft (4.1 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4480 over Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is N4480 over Creek 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 August 2023.

How much traffic does N4480 over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4480 over Creek?

The structure is 64 ft (19.6 m) long with a longest span of 13 ft (4.1 m) and a deck 25 ft wide.

Who owns N4480 over Creek?

It is owned by the County Highway Agency.