US Bridges

S.H. 15 over Coon Creek

Good

Noble County, Oklahoma · 0.25 MI W of JCT US 177 · Structure no. 125630000000000

Built
1951
74 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
780
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 15 over Coon Creek is a concrete culvert carrying S.H. 15 over Coon Creek in Noble County, Oklahoma. It was built in 1951, so it is 74 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 780 vehicles a day, roughly 15% of them trucks, projected to reach 1,248 by 2042. The structure is 31 ft (9.6 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS.H. 15
CrossesCoon Creek
Location0.25 MI W of JCT US 177
RouteState Highway 15
Coordinates36.46366, -97.07238
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.8 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.6 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 traffic780 (2022)
Projected traffic1,248 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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 15 over Coon Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is S.H. 15 over Coon 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 April 2024.

How much traffic does S.H. 15 over Coon Creek carry?

About 780 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 15 over Coon Creek?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns S.H. 15 over Coon Creek?

It is owned by the State Highway Agency.