US Bridges

S.H. 99 over Arkansas River

Good

Pawnee County, Oklahoma · Pawnee Osage C/L · Structure no. 321690000000000

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,067 ft
9 main spans
Daily traffic
4,100
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Arkansas River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 99 over Arkansas River in Pawnee County, Oklahoma. It was built in 2023, so it is 2 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 4,100 vehicles a day, roughly 6% of them trucks, projected to reach 5,800 by 2042. The structure is 1,067 ft (325.1 m) long and 48 ft wide. If it were closed, the detour would be 57.2 mi (92 km).

Location

Open in Google Maps
CarriesS.H. 99
CrossesArkansas River
LocationPawnee Osage C/L
RouteState Highway 99
CountyPawnee County
StateOklahoma
Coordinates36.32861, -96.45472
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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.1 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHL 93
Structure length1,067 ft (325.1 m)
Longest span130 ft (39.6 m)
Deck width48 ft (14.6 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2022)
Projected traffic5,800 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.2 mi (92 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 99 over Arkansas River built?

It was built in 2023, making it 2 years old in 2025.

What condition is S.H. 99 over Arkansas River 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. 99 over Arkansas River carry?

About 4,100 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is S.H. 99 over Arkansas River?

The structure is 1,067 ft (325.1 m) long with a longest span of 130 ft (39.6 m) and a deck 48 ft wide.

Who owns S.H. 99 over Arkansas River?

It is owned by the State Highway Agency.