US Bridges

S.H. 37 over Coal Creek

Good

Grady County, Oklahoma · 6.4 MI E SH92 · Structure no. 249290000000000

Built
1997
28 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
106 ft
1 main span
Daily traffic
12,100
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 37 over Coal Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 37 over Coal Creek in Grady County, Oklahoma. It was built in 1997, so it is 28 years old, younger 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 12,100 vehicles a day, roughly 15% of them trucks, projected to reach 19,360 by 2042. The structure is 106 ft (32.3 m) long and 72 ft wide. If it were closed, the detour would be 47.2 mi (76 km).

Location

Open in Google Maps
CarriesS.H. 37
CrossesCoal Creek
Location6.4 MI E SH92
RouteState Highway 37
CountyGrady County
StateOklahoma
Coordinates35.29106, -97.70293
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span106 ft (32.3 m)
Deck width72 ft (22 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,100 (2022)
Projected traffic19,360 by 2042
Trucks15%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.2 mi (76 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 37 over Coal Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is S.H. 37 over Coal 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 July 2023.

How much traffic does S.H. 37 over Coal Creek carry?

About 12,100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 37 over Coal Creek?

The structure is 106 ft (32.3 m) long with a longest span of 106 ft (32.3 m) and a deck 72 ft wide.

Who owns S.H. 37 over Coal Creek?

It is owned by the State Highway Agency.