US Bridges

N4160 over Verdigris River Trib.

Good

Rogers County, Oklahoma · 4W of Inola · Structure no. 315310000000000

Built
2015
10 years old
Condition
Good
inspected July 2023
Type
Culvert
Other
Length
20 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4160 over Verdigris River Trib. is a other culvert carrying N4160 over Verdigris River Trib. in Rogers County, Oklahoma. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN4160
CrossesVerdigris River Trib.
Location4W of Inola
RouteCounty Highway N4160
Coordinates36.16057, -95.60047
Functional classRural Local

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.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating68.8 US tons

Structure

Structure typeCulvert
MaterialOther
DeckNot applicable
Main spans3
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span5 ft (1.5 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
Trucks10%
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 N4160 over Verdigris River Trib. built?

It was built in 2015, making it 10 years old in 2025.

What condition is N4160 over Verdigris River Trib. 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 N4160 over Verdigris River Trib. carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4160 over Verdigris River Trib.?

The structure is 20 ft (6.1 m) long with a longest span of 5 ft (1.5 m).

Who owns N4160 over Verdigris River Trib.?

It is owned by the County Highway Agency.