US Bridges

S.H. 99 over Turkey Creek

Good

Pawnee County, Oklahoma · 8.4 MI N Creek C/L · Structure no. 159080000000000

Built
1964
61 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,600
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Turkey Creek is a concrete culvert carrying S.H. 99 over Turkey Creek in Pawnee County, Oklahoma. It was built in 1964, so it is 61 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 1,600 vehicles a day, roughly 16% of them trucks, projected to reach 2,560 by 2042. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 42.9 mi (69 km).

CarriesS.H. 99
CrossesTurkey Creek
Location8.4 MI N Creek C/L
RouteState Highway 99
Coordinates36.28375, -96.56707
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating100 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 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 traffic1,600 (2022)
Projected traffic2,560 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.9 mi (69 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$644,000
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1964, making it 61 years old in 2025.

What condition is S.H. 99 over Turkey 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 May 2024.

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

About 1,600 vehicles per day (2022 count), of which roughly 16% are trucks.

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

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m).

Who owns S.H. 99 over Turkey Creek?

It is owned by the State Highway Agency.