US Bridges

N3650 over Cedar Creek

Good

Pawnee County, Oklahoma · 2W 2.5S of Cleveland · Structure no. 198810000000000

Built
1981
44 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
1,083
2022 count
Owner
County
County Highway Agency

About this bridge

N3650 over Cedar Creek is a concrete culvert carrying N3650 over Cedar Creek in Pawnee County, Oklahoma. It was built in 1981, so it is 44 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 1,083 vehicles a day, roughly 15% of them trucks, projected to reach 1,733 by 2042. The structure is 32 ft (9.8 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN3650
CrossesCedar Creek
Location2W 2.5S of Cleveland
RouteCounty Highway N3650
Coordinates36.2709, -96.4972
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating87.7 US tons
Inventory rating52.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,083 (2022)
Projected traffic1,733 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3650 over Cedar Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is N3650 over Cedar 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 July 2023.

How much traffic does N3650 over Cedar Creek carry?

About 1,083 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N3650 over Cedar Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns N3650 over Cedar Creek?

It is owned by the County Highway Agency.