US Bridges

S.H. 20 over Pryor Creek Oflow

Fair

Mayes County, Oklahoma · 4.8 MI E Rogers CO · Structure no. 123880000000000

Built
1950
75 years old, rebuilt 1998
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
100 ft
8 main spans
Daily traffic
8,100
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 20 over Pryor Creek Oflow is a concrete culvert carrying S.H. 20 over Pryor Creek Oflow in Mayes County, Oklahoma. It was built in 1950 and reconstructed in 1998, 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 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 8,100 vehicles a day, roughly 16% of them trucks, projected to reach 12,960 by 2042. The structure is 100 ft (30.5 m) long. If it were closed, the detour would be 34.2 mi (55 km).

Location

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CarriesS.H. 20
CrossesPryor Creek Oflow
Location4.8 MI E Rogers CO
RouteState Highway 20
CountyMayes County
StateOklahoma
Coordinates36.30721, -95.35024
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 spans8
Design loadH 20
Structure length100 ft (30.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,100 (2022)
Projected traffic12,960 by 2042
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed34.2 mi (55 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$3.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 20 over Pryor Creek Oflow built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1998.

What condition is S.H. 20 over Pryor Creek Oflow 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 April 2023.

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

About 8,100 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 20 over Pryor Creek Oflow?

The structure is 100 ft (30.5 m) long with a longest span of 12 ft (3.7 m).

Who owns S.H. 20 over Pryor Creek Oflow?

It is owned by the State Highway Agency.