US Bridges

US166 HWY over Sko Railroad

Good

Montgomery County, Kansas · 1.99 MI E Chautauqua Coln · Structure no. 999916600631051

Built
2021
4 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
165 ft
3 main spans
Daily traffic
2,473
2023 count
Owner
State
State Highway Agency

About this bridge

US166 HWY over Sko Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying US166 HWY over Sko Railroad in Montgomery County, Kansas. It was built in 2021, so it is 4 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 2,473 vehicles a day, roughly 24% of them trucks, projected to reach 2,843 by 2044. The structure is 165 ft (50.4 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS166 HWY
CrossesSko Railroad
Location1.99 MI E Chautauqua Coln
RouteU.S. Route 166
StateKansas
Coordinates37.06694, -95.92861
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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating82.1 US tons
Inventory rating63.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length165 ft (50.4 m)
Longest span63 ft (19.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,473 (2023)
Projected traffic2,843 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 Sko Railroad built?

It was built in 2021, making it 4 years old in 2025.

What condition is US166 HWY over Sko Railroad 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 March 2023.

How much traffic does US166 HWY over Sko Railroad carry?

About 2,473 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US166 HWY over Sko Railroad?

The structure is 165 ft (50.4 m) long with a longest span of 63 ft (19.1 m) and a deck 43 ft wide.

Who owns US166 HWY over Sko Railroad?

It is owned by the State Highway Agency.