US Bridges

S.H. 33 over Trail Creek

Fair

Kingfisher County, Oklahoma · 5.6 MI E JCT US 81 · Structure no. 072070000000000

Built
1939
86 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 33 over Trail Creek is a concrete culvert carrying S.H. 33 over Trail Creek in Kingfisher County, Oklahoma. It was built in 1939, so it is 86 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 2,000 vehicles a day, roughly 16% of them trucks, projected to reach 3,200 by 2042. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 52.8 mi (85 km).

CarriesS.H. 33
CrossesTrail Creek
Location5.6 MI E JCT US 81
RouteState Highway 33
Coordinates35.85654, -97.83607
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length40 ft (12.2 m)
Longest span14 ft (4.3 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,200 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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. 33 over Trail Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is S.H. 33 over Trail Creek 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 May 2024.

How much traffic does S.H. 33 over Trail Creek carry?

About 2,000 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 33 over Trail Creek?

The structure is 40 ft (12.2 m) long with a longest span of 14 ft (4.3 m) and a deck 32 ft wide.

Who owns S.H. 33 over Trail Creek?

It is owned by the State Highway Agency.