US Bridges

N4490 (4526C) over White Oak Creek

Fair

McCurtain County, Oklahoma · 3.5N 2E of Valliant · Structure no. 319240000000000

Built
2019
6 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
700
2022 count
Owner
County
County Highway Agency

About this bridge

N4490 (4526C) over White Oak Creek is a prestressed concrete stringer/multi-beam or girder carrying N4490 (4526C) over White Oak Creek in McCurtain County, Oklahoma. It was built in 2019, so it is 6 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.

It carries about 700 vehicles a day, roughly 15% of them trucks, projected to reach 1,120 by 2042. The structure is 105 ft (32 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN4490 (4526C)
CrossesWhite Oak Creek
Location3.5N 2E of Valliant
RouteCounty Highway N4490
Coordinates34.05119, -95.05212
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2023
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 rating96 US tons
Inventory rating58 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length105 ft (32 m)
Longest span105 ft (32 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic700 (2022)
Projected traffic1,120 by 2042
Trucks15%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N4490 (4526C) over White Oak Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is N4490 (4526C) over White Oak 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 April 2023.

How much traffic does N4490 (4526C) over White Oak Creek carry?

About 700 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4490 (4526C) over White Oak Creek?

The structure is 105 ft (32 m) long with a longest span of 105 ft (32 m) and a deck 26 ft wide.

Who owns N4490 (4526C) over White Oak Creek?

It is owned by the County Highway Agency.