US Bridges

4574C over Creek

Good

McCurtain County, Oklahoma · 5.0 E Harris · Structure no. 152450000000000

Built
1961
64 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

4574C over Creek is a concrete culvert carrying 4574C over Creek in McCurtain County, Oklahoma. It was built in 1961, so it is 64 years old, older 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 15% of them trucks, projected to reach 160 by 2042. The structure is 34 ft (10.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries4574C
CrossesCreek
Location5.0 E Harris
RouteCounty Highway 4574C
Coordinates33.7472, -94.64219
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
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 geometry7: Better than 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 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4574C over Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is 4574C over 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 4574C over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4574C over Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns 4574C over Creek?

It is owned by the County Highway Agency.