US Bridges

4576C over Creek

Poor

McCurtain County, Oklahoma · 6.0 E; 0.7 N Broken Bow · Structure no. 234300000000000

Built
1993
32 years old
Condition
Poor
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

4576C over Creek is a concrete culvert carrying 4576C over Creek in McCurtain County, Oklahoma. It was built in 1993, so it is 32 years old, younger 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 3 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 250 vehicles a day, roughly 15% of them trucks, projected to reach 400 by 2042. The structure is 23 ft (7 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries4576C
CrossesCreek
Location6.0 E; 0.7 N Broken Bow
RouteCounty Highway 4576C
CountyMcCurtain County
StateOklahoma
Coordinates34.03549, -94.63508
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable 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 spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 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 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 4576C over Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is 4576C 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 May 2023.

How much traffic does 4576C over Creek carry?

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

How long is 4576C over Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 46 ft wide.

Who owns 4576C over Creek?

It is owned by the County Highway Agency.