US Bridges

US166 HWY over Little Caney River

Fair

Chautauqua County, Kansas · 11.39 MI E Ejct K99 · Structure no. 999916600100191

Built
1953
72 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
387 ft
4 main spans
Daily traffic
2,680
2023 count
Owner
State
State Highway Agency

About this bridge

US166 HWY over Little Caney River is a steel continuous stringer/multi-beam or girder carrying US166 HWY over Little Caney River in Chautauqua County, Kansas. It was built in 1953, so it is 72 years old, older than the Kansas average of 52.8 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 2,680 vehicles a day, roughly 24% of them trucks, projected to reach 2,903 by 2044. The structure is 387 ft (118.1 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS166 HWY
CrossesLittle Caney River
Location11.39 MI E Ejct K99
RouteU.S. Route 166
StateKansas
Coordinates37.06778, -95.98917
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating42.1 US tons
Inventory rating25.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length387 ft (118.1 m)
Longest span108 ft (32.9 m)
Deck width33 ft (10.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,680 (2023)
Projected traffic2,903 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Little Caney River built?

It was built in 1953, making it 72 years old in 2025.

What condition is US166 HWY over Little Caney River 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 March 2023.

How much traffic does US166 HWY over Little Caney River carry?

About 2,680 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US166 HWY over Little Caney River?

The structure is 387 ft (118.1 m) long with a longest span of 108 ft (32.9 m) and a deck 33 ft wide.

Who owns US166 HWY over Little Caney River?

It is owned by the State Highway Agency.