US Bridges

4550C over Creek

Fair

McCurtain County, Oklahoma · 5.0 N Valliant · Structure no. 051480000000000

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

About this bridge

4550C over Creek is a concrete culvert carrying 4550C over 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 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 1,400 vehicles a day, roughly 15% of them trucks, projected to reach 2,240 by 2042. The structure is 49 ft (14.8 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries4550C
CrossesCreek
Location5.0 N Valliant
RouteCounty Highway 4550C
CountyMcCurtain County
StateOklahoma
Coordinates34.07028, -95.08707
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 length49 ft (14.8 m)
Longest span16 ft (4.9 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
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4550C over Creek built?

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

What condition is 4550C over 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 May 2023.

How much traffic does 4550C over Creek carry?

About 1,400 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4550C over Creek?

The structure is 49 ft (14.8 m) long with a longest span of 16 ft (4.9 m) and a deck 36 ft wide.

Who owns 4550C over Creek?

It is owned by the County Highway Agency.