US Bridges

S.H. 20 over Seminole Creek

Good

Mayes County, Oklahoma · 4.1 MI E Rogers CO · Structure no. 257150000000000

Built
1998
27 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
3 main spans
Daily traffic
8,100
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 20 over Seminole Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 20 over Seminole Creek in Mayes County, Oklahoma. It was built in 1998, so it is 27 years old, younger 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 8,100 vehicles a day, roughly 16% of them trucks, projected to reach 12,960 by 2042. The structure is 200 ft (61 m) long and 84 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

Location

Open in Google Maps
CarriesS.H. 20
CrossesSeminole Creek
Location4.1 MI E Rogers CO
RouteState Highway 20
CountyMayes County
StateOklahoma
Coordinates36.30732, -95.3601
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length200 ft (61 m)
Longest span80 ft (24.4 m)
Deck width84 ft (25.6 m)
Roadway width82 ft (25 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
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 20 over Seminole Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is S.H. 20 over Seminole 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 April 2023.

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

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

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

The structure is 200 ft (61 m) long with a longest span of 80 ft (24.4 m) and a deck 84 ft wide.

Who owns S.H. 20 over Seminole Creek?

It is owned by the State Highway Agency.