US Bridges

7412C over Coon Creek

PoorPosted for load

Washington County, Oklahoma · 5.5 E 8. N of US 60 · Structure no. 136400000000000

Built
1956
69 years old
Condition
Poor
inspected October 2024
Type
Tee Beam
Concrete
Length
75 ft
3 main spans
Daily traffic
132
2022 count
Owner
County
County Highway Agency

About this bridge

7412C over Coon Creek is a concrete tee beam carrying 7412C over Coon Creek in Washington County, Oklahoma. It was built in 1956, so it is 69 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. Its operating status is: posted for load restriction.

It carries about 132 vehicles a day, roughly 15% of them trucks, projected to reach 211 by 2042. The structure is 75 ft (23 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries7412C
CrossesCoon Creek
Location5.5 E 8. N of US 60
RouteCounty Highway 7412C
Coordinates36.85849, -95.83776
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.2 US tons
Inventory rating20.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans3
Design loadHS 20
Structure length75 ft (23 m)
Longest span24 ft (7.2 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132 (2022)
Projected traffic211 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$430,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 7412C over Coon Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is 7412C over Coon 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 October 2024.

How much traffic does 7412C over Coon Creek carry?

About 132 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 7412C over Coon Creek?

The structure is 75 ft (23 m) long with a longest span of 24 ft (7.2 m) and a deck 27 ft wide.

Who owns 7412C over Coon Creek?

It is owned by the County Highway Agency.