US Bridges

N3660 over Buckeye Creek Trib.

Fair

Creek County, Oklahoma · 2.5S of Silver City · Structure no. 312710000000000

Built
2019
6 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
40 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3660 over Buckeye Creek Trib. is a concrete culvert carrying N3660 over Buckeye Creek Trib. in Creek County, Oklahoma. It was built in 2019, so it is 6 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN3660
CrossesBuckeye Creek Trib.
Location2.5S of Silver City
RouteCounty Highway N3660
CountyCreek County
StateOklahoma
Coordinates36.05355, -96.49438
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating40.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 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 proposedNone recorded
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3660 over Buckeye Creek Trib. built?

It was built in 2019, making it 6 years old in 2025.

What condition is N3660 over Buckeye Creek Trib. in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does N3660 over Buckeye Creek Trib. carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N3660 over Buckeye Creek Trib.?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m).

Who owns N3660 over Buckeye Creek Trib.?

It is owned by the County Highway Agency.