US Bridges

N3960 Lewis over Posey Creek

Fair

Tulsa County, Oklahoma · .5S of 141st S. · Structure no. 315490000000000

Built
2016
9 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
2,927
2024 count
Owner
County
County Highway Agency

About this bridge

N3960 Lewis over Posey Creek is a concrete culvert carrying N3960 Lewis over Posey Creek in Tulsa County, Oklahoma. It was built in 2016, so it is 9 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 2,927 vehicles a day, roughly 15% of them trucks, projected to reach 4,683 by 2044. The structure is 30 ft (9.1 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN3960 Lewis
CrossesPosey Creek
Location.5S of 141st S.
RouteCounty Highway N3960
Coordinates35.95225, -95.95816
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 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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable 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 spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span14 ft (4.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,927 (2024)
Projected traffic4,683 by 2044
Trucks15%
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 proposedNone recorded
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3960 Lewis over Posey Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is N3960 Lewis over Posey 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 Lewis over Posey Creek carry?

About 2,927 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is N3960 Lewis over Posey Creek?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.4 m) and a deck 34 ft wide.

Who owns N3960 Lewis over Posey Creek?

It is owned by the County Highway Agency.