4530C over Creek

Fair

McCurtain County, Oklahoma · 2.0 N; 1.0 E Garvin · Structure no. 152540000000000

Built: 1961; 64 years old
Condition: Fair; inspected April 2023
Type: Culvert; Concrete
Length: 34 ft; 3 main spans
Daily traffic: 250; 2022 count
Owner: County; County Highway Agency

About this bridge

4530C over Creek is a concrete culvert carrying 4530C 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 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 250 vehicles a day, roughly 15% of them trucks, projected to reach 400 by 2042. The structure is 34 ft (10.4 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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Carries4530C

CrossesCreek

Location2.0 N; 1.0 E Garvin

RouteCounty Highway 4530C

CountyMcCurtain County

StateOklahoma

Coordinates33.98275, -94.91549

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.

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

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 geometry6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable 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 (9.8 m)

Roadway width30 ft (9.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)

Projected traffic400 by 2042

Trucks15%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed8.7 mi (14 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 4530C over Creek built?

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

What condition is 4530C 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 April 2023.

How much traffic does 4530C over Creek carry?

About 250 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4530C 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 4530C over Creek?

It is owned by the County Highway Agency.