US Bridges

S.H. 37 over Buggy Creek O Flow

Fair

Grady County, Oklahoma · 1.2 MI E Caddo CO · Structure no. 125790000000000

Built
1951
74 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
1,700
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 37 over Buggy Creek O Flow is a concrete culvert carrying S.H. 37 over Buggy Creek O Flow in Grady 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,700 vehicles a day, roughly 15% of them trucks, projected to reach 2,720 by 2042. The structure is 47 ft (14.3 m) long and 40 ft wide. If it were closed, the detour would be 52.8 mi (85 km).

Location

Open in Google Maps
CarriesS.H. 37
CrossesBuggy Creek O Flow
Location1.2 MI E Caddo CO
RouteState Highway 37
CountyGrady County
StateOklahoma
Coordinates35.3344, -98.07577
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating61.6 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span10 ft (3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2022)
Projected traffic2,720 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed52.8 mi (85 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. 37 over Buggy Creek O Flow built?

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

What condition is S.H. 37 over Buggy Creek O Flow in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does S.H. 37 over Buggy Creek O Flow carry?

About 1,700 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 37 over Buggy Creek O Flow?

The structure is 47 ft (14.3 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns S.H. 37 over Buggy Creek O Flow?

It is owned by the State Highway Agency.