US Bridges

N4650 over Trib to Mountain Creek

Good

Le Flore County, Oklahoma · 2.75 N 1.5 W Wister · Structure no. 331110000000000

Built
2023
2 years old
Condition
Good
inspected December 2024
Type
Culvert
Steel
Length
44 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4650 over Trib to Mountain Creek is a steel culvert carrying N4650 over Trib to Mountain Creek in Le Flore County, Oklahoma. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 44 ft (13.4 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesN4650
CrossesTrib to Mountain Creek
Location2.75 N 1.5 W Wister
RouteCounty Highway N4650
CountyLe Flore County
StateOklahoma
Coordinates35.00893, -94.75234
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 N4650 over Trib to Mountain Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is N4650 over Trib to Mountain 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 December 2024.

How much traffic does N4650 over Trib to Mountain Creek carry?

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

How long is N4650 over Trib to Mountain Creek?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 24 ft wide.

Who owns N4650 over Trib to Mountain Creek?

It is owned by the County Highway Agency.