US Bridges

N4639 (0140C) over Sallisaw Creek

Good

Adair County, Oklahoma · .3S of Bunch · Structure no. 298020000000000

Built
2011
14 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
208 ft
3 main spans
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

N4639 (0140C) over Sallisaw Creek is a prestressed concrete stringer/multi-beam or girder carrying N4639 (0140C) over Sallisaw Creek in Adair County, Oklahoma. It was built in 2011, so it is 14 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 250 vehicles a day, roughly 15% of them trucks, projected to reach 400 by 2042. The structure is 208 ft (63.4 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesN4639 (0140C)
CrossesSallisaw Creek
Location.3S of Bunch
RouteCounty Highway N4639
CountyAdair County
StateOklahoma
Coordinates35.67639, -94.75639
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating70 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span75 ft (22.9 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic400 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was N4639 (0140C) over Sallisaw Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is N4639 (0140C) over Sallisaw 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 July 2023.

How much traffic does N4639 (0140C) over Sallisaw Creek carry?

About 250 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4639 (0140C) over Sallisaw Creek?

The structure is 208 ft (63.4 m) long with a longest span of 75 ft (22.9 m) and a deck 28 ft wide.

Who owns N4639 (0140C) over Sallisaw Creek?

It is owned by the County Highway Agency.