S.H. 20 over Claremore Creek

Good

Osage County, Oklahoma · 1.0 Mi. W. Jct. SH99 · Structure no. 130150000000000

Built: 1953; 72 years old
Condition: Good; inspected August 2023
Type: Culvert; Concrete
Length: 60 ft; 3 main spans
Daily traffic: 820; 2022 count
Owner: State; State Highway Agency

About this bridge

S.H. 20 over Claremore Creek is a concrete culvert carrying S.H. 20 over Claremore Creek in Osage County, Oklahoma. It was built in 1953, so it is 72 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 820 vehicles a day, roughly 15% of them trucks, projected to reach 1,312 by 2042. The structure is 60 ft (18.3 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps

CarriesS.H. 20

CrossesClaremore Creek

Location1.0 Mi. W. Jct. SH99

RouteState Highway 20

CountyOsage County

StateOklahoma

Coordinates36.41283, -96.41312

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.

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	7 Good	Some minor problems.

Last inspectionAugust 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Waterway adequacy7: Better than present minimum 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 loadHS 20

Structure length60 ft (18.3 m)

Longest span14 ft (4.3 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2022)

Projected traffic1,312 by 2042

Trucks15%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed11.8 mi (19 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. 20 over Claremore Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is S.H. 20 over Claremore 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 August 2023.

How much traffic does S.H. 20 over Claremore Creek carry?

About 820 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 20 over Claremore Creek?

The structure is 60 ft (18.3 m) long with a longest span of 14 ft (4.3 m).

Who owns S.H. 20 over Claremore Creek?

It is owned by the State Highway Agency.