US Bridges

K25 HWY over S Fork Solomon River

Fair

Thomas County, Kansas · 8.90 MI N Logan CO Line · Structure no. 999902500970411

Built
1940
85 years old
Condition
Fair
inspected April 2024
Type
Culvert
Steel
Length
27 ft
2 main spans
Daily traffic
467
2023 count
Owner
State
State Highway Agency

About this bridge

K25 HWY over S Fork Solomon River is a steel culvert carrying K25 HWY over S Fork Solomon River in Thomas County, Kansas. It was built in 1940, so it is 85 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 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 467 vehicles a day, roughly 33% of them trucks, projected to reach 570 by 2044. The structure is 27 ft (8.2 m) long and 29 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesK25 HWY
CrossesS Fork Solomon River
Location8.90 MI N Logan CO Line
RouteState Highway 25
StateKansas
Coordinates39.26194, -101.05556
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 15
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic467 (2023)
Projected traffic570 by 2044
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 K25 HWY over S Fork Solomon River built?

It was built in 1940, making it 85 years old in 2025.

What condition is K25 HWY over S Fork 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 April 2024.

How much traffic does K25 HWY over S Fork Solomon River carry?

About 467 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is K25 HWY over S Fork Solomon River?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 29 ft wide.

Who owns K25 HWY over S Fork Solomon River?

It is owned by the State Highway Agency.