US Bridges

US-166 Highway over Neosho River

Good

Labette County, Kansas · .26 MI E Ejct 59 HWY · Structure no. 999916600500851

Built
2003
22 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
814 ft
6 main spans
Daily traffic
2,247
2023 count
Owner
State
State Highway Agency

About this bridge

US-166 Highway over Neosho River is a steel continuous stringer/multi-beam or girder carrying US-166 Highway over Neosho River in Labette County, Kansas. It was built in 2003, so it is 22 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,247 vehicles a day, roughly 24% of them trucks, projected to reach 2,339 by 2044. The structure is 814 ft (248.1 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS-166 Highway
CrossesNeosho River
Location.26 MI E Ejct 59 HWY
RouteU.S. Route 166
StateKansas
Coordinates37.03694, -95.08028
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length814 ft (248.1 m)
Longest span144 ft (44 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,247 (2023)
Projected traffic2,339 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 US-166 Highway over Neosho River built?

It was built in 2003, making it 22 years old in 2025.

What condition is US-166 Highway over Neosho 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 2024.

How much traffic does US-166 Highway over Neosho River carry?

About 2,247 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US-166 Highway over Neosho River?

The structure is 814 ft (248.1 m) long with a longest span of 144 ft (44 m) and a deck 46 ft wide.

Who owns US-166 Highway over Neosho River?

It is owned by the State Highway Agency.