US Bridges

S.H. 20 over Spavinaw Creek

Good

Mayes County, Oklahoma · 12.2 NE JCT S.H. 82 · Structure no. 317300000000000

Built
2018
7 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
3 main spans
Daily traffic
1,055
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 20 over Spavinaw Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 20 over Spavinaw Creek in Mayes County, Oklahoma. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,055 vehicles a day, roughly 8% of them trucks, projected to reach 1,477 by 2042. The structure is 210 ft (64 m) long and 46 ft wide.

CarriesS.H. 20
CrossesSpavinaw Creek
Location12.2 NE JCT S.H. 82
RouteState Highway 20
Coordinates36.38806, -95.05889
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length210 ft (64 m)
Longest span70 ft (21.3 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,055 (2022)
Projected traffic1,477 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 2018, making it 7 years old in 2025.

What condition is S.H. 20 over Spavinaw 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 May 2023.

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

About 1,055 vehicles per day (2022 count), of which roughly 8% are trucks.

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

The structure is 210 ft (64 m) long with a longest span of 70 ft (21.3 m) and a deck 46 ft wide.

Who owns S.H. 20 over Spavinaw Creek?

It is owned by the State Highway Agency.