US Bridges

S.H. 20 over Grey Horse Creek

Good

Osage County, Oklahoma · 18.6 W of JCT S.H. 99 · Structure no. 314130000000000

Built
2024
1 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
171 ft
3 main spans
Daily traffic
700
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 20 over Grey Horse Creek is a steel stringer/multi-beam or girder carrying S.H. 20 over Grey Horse Creek in Osage County, Oklahoma. It was built in 2024, so it is 1 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 700 vehicles a day, roughly 25% of them trucks, projected to reach 1,000 by 2042. The structure is 171 ft (52 m) long and 42 ft wide.

Location

No coordinates are recorded for this structure.

CarriesS.H. 20
CrossesGrey Horse Creek
Location18.6 W of JCT S.H. 99
RouteState Highway 20
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.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating39.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length171 ft (52 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic1,000 by 2042
Trucks25%
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 Grey Horse Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is S.H. 20 over Grey Horse 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 2024.

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

About 700 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is S.H. 20 over Grey Horse Creek?

The structure is 171 ft (52 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns S.H. 20 over Grey Horse Creek?

It is owned by the State Highway Agency.