US Bridges

US166 HWY over Arkansas River

Good

Cowley County, Kansas · 4.92 MI E Sumner Coln · Structure no. 999916600181081

Built
2019
6 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
980 ft
10 main spans
Daily traffic
2,647
2023 count
Owner
State
State Highway Agency

About this bridge

US166 HWY over Arkansas River is a steel continuous stringer/multi-beam or girder carrying US166 HWY over Arkansas River in Cowley County, Kansas. It was built in 2019, so it is 6 years old, younger than the Kansas average of 52.8 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 2,647 vehicles a day, roughly 16% of them trucks, projected to reach 3,230 by 2044. The structure is 980 ft (298.7 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS166 HWY
CrossesArkansas River
Location4.92 MI E Sumner Coln
RouteU.S. Route 166
CountyCowley County
StateKansas
Coordinates37.05611, -97.05917
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckNot applicable
Main spans10
Design loadHL 93
Structure length980 ft (298.7 m)
Longest span102 ft (31.1 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,647 (2023)
Projected traffic3,230 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US166 HWY over Arkansas River built?

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

What condition is US166 HWY over Arkansas River 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 August 2023.

How much traffic does US166 HWY over Arkansas River carry?

About 2,647 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US166 HWY over Arkansas River?

The structure is 980 ft (298.7 m) long with a longest span of 102 ft (31.1 m) and a deck 46 ft wide.

Who owns US166 HWY over Arkansas River?

It is owned by the State Highway Agency.