US Bridges

4530C over Creek

Poor

McCurtain County, Oklahoma · 0.7 N Garvin · Structure no. 158810000000000

Built
1964
61 years old
Condition
Poor
inspected April 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
100
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 1964, so it is 61 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 27 ft (8.2 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries4530C
CrossesCreek
Location0.7 N Garvin
RouteCounty Highway 4530C
Coordinates33.96343, -94.94255
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span11 ft (3.4 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 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 4530C over Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is 4530C over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does 4530C over Creek carry?

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

How long is 4530C over Creek?

The structure is 27 ft (8.2 m) long with a longest span of 11 ft (3.4 m) and a deck 31 ft wide.

Who owns 4530C over Creek?

It is owned by the County Highway Agency.