US Bridges

K106 HWY over Solomon River

Fair

Ottawa County, Kansas · 7.66 MI N K18 · Structure no. 999910600720451

Built
1985
40 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
262 ft
3 main spans
Daily traffic
733
2023 count
Owner
State
State Highway Agency

About this bridge

K106 HWY over Solomon River is a steel continuous stringer/multi-beam or girder carrying K106 HWY over Solomon River in Ottawa County, Kansas. It was built in 1985, so it is 40 years old, younger 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 5 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 733 vehicles a day, roughly 5% of them trucks, projected to reach 733 by 2044. The structure is 262 ft (80 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesK106 HWY
CrossesSolomon River
Location7.66 MI N K18
RouteState Highway 106
StateKansas
Coordinates39.12028, -97.71083
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating78 US tons
Inventory rating47 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length262 ft (80 m)
Longest span100 ft (30.5 m)
Deck width44 ft (13.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic733 (2023)
Projected traffic733 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 K106 HWY over Solomon River built?

It was built in 1985, making it 40 years old in 2025.

What condition is K106 HWY over Solomon 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 November 2024.

How much traffic does K106 HWY over Solomon River carry?

About 733 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is K106 HWY over Solomon River?

The structure is 262 ft (80 m) long with a longest span of 100 ft (30.5 m) and a deck 44 ft wide.

Who owns K106 HWY over Solomon River?

It is owned by the State Highway Agency.