US Bridges

N4670 over Creek

Good

Sequoyah County, Oklahoma · 4.5E .8S of Sallisaw · Structure no. 328050000000000

Built
2024
1 years old
Condition
Good
inspected June 2024
Type
Girder and Floorbeam System
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
400
2022 count
Owner
County
County Highway Agency

About this bridge

N4670 over Creek is a prestressed concrete girder and floorbeam system carrying N4670 over Creek in Sequoyah County, Oklahoma. It was built in 2024, so it is 1 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 9 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 10% of them trucks, projected to reach 640 by 2042. The structure is 90 ft (27.4 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesN4670
CrossesCreek
Location4.5E .8S of Sallisaw
RouteCounty Highway N4670
Coordinates35.45128, -94.70794
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span90 ft (27.4 m)
Deck width32 ft (9.7 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic400 (2022)
Projected traffic640 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N4670 over Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is N4670 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 June 2024.

How much traffic does N4670 over Creek carry?

About 400 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4670 over Creek?

The structure is 90 ft (27.4 m) long with a longest span of 90 ft (27.4 m) and a deck 32 ft wide.

Who owns N4670 over Creek?

It is owned by the County Highway Agency.