US Bridges

S.H. 99 over Hoskahomi Creek

Good

Osage County, Oklahoma · 6.8 Mi. N.Pawnee Cl · Structure no. 246810000000000

Built
1995
30 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
2,600
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Hoskahomi Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 99 over Hoskahomi Creek in Osage County, Oklahoma. It was built in 1995, so it is 30 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 2,600 vehicles a day, roughly 16% of them trucks, projected to reach 4,160 by 2042. The structure is 100 ft (30.5 m) long and 44 ft wide. If it were closed, the detour would be 47.2 mi (76 km).

Location

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CarriesS.H. 99
CrossesHoskahomi Creek
Location6.8 Mi. N.Pawnee Cl
RouteState Highway 99
CountyOsage County
StateOklahoma
Coordinates36.39855, -96.38945
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.7 US tons
Inventory rating38.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span100 ft (30.5 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2022)
Projected traffic4,160 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.2 mi (76 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 99 over Hoskahomi Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is S.H. 99 over Hoskahomi 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 August 2023.

How much traffic does S.H. 99 over Hoskahomi Creek carry?

About 2,600 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 99 over Hoskahomi Creek?

The structure is 100 ft (30.5 m) long with a longest span of 100 ft (30.5 m) and a deck 44 ft wide.

Who owns S.H. 99 over Hoskahomi Creek?

It is owned by the State Highway Agency.