US Bridges

N3960 over Creek

Fair

Tulsa County, Oklahoma · Lewis .2MI S 116 ST N. · Structure no. 177760000000000

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
173
2024 count
Owner
County
County Highway Agency

About this bridge

N3960 over Creek is a concrete culvert carrying N3960 over Creek in Tulsa County, Oklahoma. It was built in 1970, so it is 55 years old, older 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 173 vehicles a day, roughly 10% of them trucks, projected to reach 276 by 2044. The structure is 38 ft (11.6 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN3960
CrossesCreek
LocationLewis .2MI S 116 ST N.
RouteCounty Highway N3960
Coordinates36.31879, -95.95589
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic173 (2024)
Projected traffic276 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3960 over Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is N3960 over Creek 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 September 2023.

How much traffic does N3960 over Creek carry?

About 173 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is N3960 over Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 42 ft wide.

Who owns N3960 over Creek?

It is owned by the County Highway Agency.