US Bridges

S.H. 18 over Salt Creek

Good

Osage County, Oklahoma · 2 N of Pawnee C/L · Structure no. 301670000000000

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
301 ft
3 main spans
Daily traffic
1,800
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 18 over Salt Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 18 over Salt Creek in Osage County, Oklahoma. It was built in 2021, so it is 4 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 1,800 vehicles a day, projected to reach 2,500 by 2042. The structure is 301 ft (91.6 m) long and 42 ft wide.

CarriesS.H. 18
CrossesSalt Creek
Location2 N of Pawnee C/L
RouteState Highway 18
Coordinates36.5312, -96.71936
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length301 ft (91.6 m)
Longest span100 ft (30.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2022)
Projected traffic2,500 by 2042
Trucks—
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. 18 over Salt Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is S.H. 18 over Salt 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 September 2023.

How much traffic does S.H. 18 over Salt Creek carry?

About 1,800 vehicles per day (2022 count).

How long is S.H. 18 over Salt Creek?

The structure is 301 ft (91.6 m) long with a longest span of 100 ft (30.6 m) and a deck 42 ft wide.

Who owns S.H. 18 over Salt Creek?

It is owned by the State Highway Agency.