US Bridges

S.H. 99 over Scanlon Creek

Good

Osage County, Oklahoma · 0.6 Mi. N.Pawnee Cl · Structure no. 154610000000000

Built
1962
63 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
4,000
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Scanlon Creek is a concrete culvert carrying S.H. 99 over Scanlon Creek in Osage County, Oklahoma. It was built in 1962, so it is 63 years old, older 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 4,000 vehicles a day, roughly 16% of them trucks, projected to reach 6,400 by 2042. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 47.2 mi (76 km).

CarriesS.H. 99
CrossesScanlon Creek
Location0.6 Mi. N.Pawnee Cl
RouteState Highway 99
Coordinates36.33494, -96.44172
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating100 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2022)
Projected traffic6,400 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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1962, making it 63 years old in 2025.

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

About 4,000 vehicles per day (2022 count), of which roughly 16% are trucks.

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

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns S.H. 99 over Scanlon Creek?

It is owned by the State Highway Agency.