US Bridges

N4460 over White Oak Creek

Good

McCurtain County, Oklahoma · 2.2 N; 1.0 E Valliant · Structure no. 200270000000000

Built
1982
43 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4460 over White Oak Creek is a concrete culvert carrying N4460 over White Oak Creek in McCurtain County, Oklahoma. It was built in 1982, so it is 43 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 23 ft (7 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN4460
CrossesWhite Oak Creek
Location2.2 N; 1.0 E Valliant
RouteCounty Highway N4460
Coordinates34.03579, -95.10439
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.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 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 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 N4460 over White Oak Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is N4460 over White Oak 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 May 2023.

How much traffic does N4460 over White Oak Creek carry?

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

How long is N4460 over White Oak Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns N4460 over White Oak Creek?

It is owned by the County Highway Agency.