US Bridges

S.H. 99 over Penn Creek

Good

Osage County, Oklahoma · .3N of JCT SH20 · Structure no. 325910000000000

Built
2023
2 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
167 ft
3 main spans
Daily traffic
4,300
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Penn Creek is a steel stringer/multi-beam or girder carrying S.H. 99 over Penn Creek in Osage 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 4,300 vehicles a day, roughly 16% of them trucks, projected to reach 6,880 by 2042. The structure is 167 ft (50.8 m) long and 40 ft wide. If it were closed, the detour would be 52.8 mi (85 km).

Location

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CarriesS.H. 99
CrossesPenn Creek
Location.3N of JCT SH20
RouteState Highway 99
CountyOsage County
StateOklahoma
Coordinates36.41933, -96.38966
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 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating54.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length167 ft (50.8 m)
Longest span61 ft (18.5 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2022)
Projected traffic6,880 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed52.8 mi (85 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

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

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

What condition is S.H. 99 over Penn 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 Penn Creek carry?

About 4,300 vehicles per day (2022 count), of which roughly 16% are trucks.

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

The structure is 167 ft (50.8 m) long with a longest span of 61 ft (18.5 m) and a deck 40 ft wide.

Who owns S.H. 99 over Penn Creek?

It is owned by the State Highway Agency.