US Bridges

K181 HWY over N Fork Solomon River

Good

Osborne County, Kansas · 1.14MI S US 24 · Structure no. 999918100710531

Built
2015
10 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
533 ft
5 main spans
Daily traffic
524
2023 count
Owner
State
State Highway Agency

About this bridge

K181 HWY over N Fork Solomon River is a steel continuous stringer/multi-beam or girder carrying K181 HWY over N Fork Solomon River in Osborne County, Kansas. It was built in 2015, so it is 10 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 524 vehicles a day, roughly 10% of them trucks, projected to reach 535 by 2044. The structure is 533 ft (162.5 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesK181 HWY
CrossesN Fork Solomon River
Location1.14MI S US 24
RouteState Highway 181
StateKansas
Coordinates39.49306, -98.54444
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans5
Design loadHL 93
Structure length533 ft (162.5 m)
Longest span120 ft (36.6 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic524 (2023)
Projected traffic535 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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 K181 HWY over N Fork Solomon River built?

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

What condition is K181 HWY over N Fork Solomon 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 April 2023.

How much traffic does K181 HWY over N Fork Solomon River carry?

About 524 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is K181 HWY over N Fork Solomon River?

The structure is 533 ft (162.5 m) long with a longest span of 120 ft (36.6 m) and a deck 34 ft wide.

Who owns K181 HWY over N Fork Solomon River?

It is owned by the State Highway Agency.