US Bridges

S.H. 99 over Cedar Creek

Fair

Osage County, Oklahoma · 1.0 Mi. N. Jct. US60 · Structure no. 039800000000000

Built
1933
92 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
56 ft
5 main spans
Daily traffic
500
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Cedar Creek is a concrete culvert carrying S.H. 99 over Cedar Creek in Osage County, Oklahoma. It was built in 1933, 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 500 vehicles a day, roughly 16% of them trucks, projected to reach 800 by 2042. The structure is 56 ft (17.1 m) long. If it were closed, the detour would be 23 mi (37 km).

Location

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CarriesS.H. 99
CrossesCedar Creek
Location1.0 Mi. N. Jct. US60
RouteState Highway 99
CountyOsage County
StateOklahoma
Coordinates36.75894, -96.28766
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.9 US tons
Inventory rating46.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 20
Structure length56 ft (17.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

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$678,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 99 over Cedar Creek built?

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

What condition is S.H. 99 over Cedar 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 August 2023.

How much traffic does S.H. 99 over Cedar Creek carry?

About 500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 99 over Cedar Creek?

The structure is 56 ft (17.1 m) long with a longest span of 10 ft (3 m).

Who owns S.H. 99 over Cedar Creek?

It is owned by the State Highway Agency.