US Bridges

S.H. 18 over Creek

Fair

Pottawatomie County, Oklahoma · 1.1 MI N JCT SH 3E · Structure no. 038640000000000

Built
1933
92 years old, rebuilt 1973
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
14,000
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 18 over Creek is a concrete culvert carrying S.H. 18 over Creek in Pottawatomie County, Oklahoma. It was built in 1933 and reconstructed in 1973, so it is 92 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 14,000 vehicles a day, roughly 7% of them trucks, projected to reach 22,400 by 2042. The structure is 26 ft (7.9 m) long and 84 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesS.H. 18
CrossesCreek
Location1.1 MI N JCT SH 3E
RouteState Highway 18
CountyPottawatomie County
StateOklahoma
Coordinates35.37807, -96.91192
Functional classUrban Other Principal 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.3 US tons
Inventory rating46.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width84 ft (25.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2022)
Projected traffic22,400 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
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. 18 over Creek built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1973.

What condition is S.H. 18 over 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 2023.

How much traffic does S.H. 18 over Creek carry?

About 14,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is S.H. 18 over Creek?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 84 ft wide.

Who owns S.H. 18 over Creek?

It is owned by the State Highway Agency.