US Bridges

4550C over Stevens Creek

Good

McCurtain County, Oklahoma · 4.9 N Valliant · Structure no. 250040000000000

Built
1997
28 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
1,400
2022 count
Owner
County
County Highway Agency

About this bridge

4550C over Stevens Creek is a concrete culvert carrying 4550C over Stevens Creek in McCurtain County, Oklahoma. It was built in 1997, so it is 28 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 1,400 vehicles a day, roughly 10% of them trucks, projected to reach 2,240 by 2042. The structure is 34 ft (10.4 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries4550C
CrossesStevens Creek
Location4.9 N Valliant
RouteCounty Highway 4550C
Coordinates34.06829, -95.08693
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2022)
Projected traffic2,240 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4550C over Stevens Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is 4550C over Stevens 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 4550C over Stevens Creek carry?

About 1,400 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is 4550C over Stevens Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3.1 m) and a deck 36 ft wide.

Who owns 4550C over Stevens Creek?

It is owned by the County Highway Agency.