US Bridges

S.H. 32 over Flat Creek

Good

Jefferson County, Oklahoma · 2.8 MI E JCT US81 · Structure no. 121250000000000

Built
1950
75 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
42 ft
3 main spans
Daily traffic
380
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 32 over Flat Creek is a concrete culvert carrying S.H. 32 over Flat Creek in Jefferson County, Oklahoma. It was built in 1950, so it is 75 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 380 vehicles a day, roughly 15% of them trucks, projected to reach 608 by 2042. The structure is 42 ft (12.8 m) long and 32 ft wide. If it were closed, the detour would be 46 mi (74 km).

CarriesS.H. 32
CrossesFlat Creek
Location2.8 MI E JCT US81
RouteState Highway 32
Coordinates34.02746, -97.90967
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2022)
Projected traffic608 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 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. 32 over Flat Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is S.H. 32 over Flat 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. 32 over Flat Creek carry?

About 380 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 32 over Flat Creek?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 32 ft wide.

Who owns S.H. 32 over Flat Creek?

It is owned by the State Highway Agency.