US Bridges

K85 HWY over South Fork Solomon River

Fair

Graham County, Kansas · 0.71 MI S US24 · Structure no. 999908500330331

Built
1957
68 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
407 ft
9 main spans
Daily traffic
274
2023 count
Owner
State
State Highway Agency

About this bridge

K85 HWY over South Fork Solomon River is a concrete continuous tee beam carrying K85 HWY over South Fork Solomon River in Graham County, Kansas. It was built in 1957, so it is 68 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 274 vehicles a day, roughly 25% of them trucks, projected to reach 280 by 2044. The structure is 407 ft (124.2 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesK85 HWY
CrossesSouth Fork Solomon River
Location0.71 MI S US24
RouteState Highway 85
CountyGraham County
StateKansas
Coordinates39.35361, -100.07556
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating26.5 US tons
Inventory rating16 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadH 20
Structure length407 ft (124.2 m)
Longest span63 ft (19.2 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic274 (2023)
Projected traffic280 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 K85 HWY over South Fork Solomon River built?

It was built in 1957, making it 68 years old in 2025.

What condition is K85 HWY over South 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 2023.

How much traffic does K85 HWY over South Fork Solomon River carry?

About 274 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is K85 HWY over South Fork Solomon River?

The structure is 407 ft (124.2 m) long with a longest span of 63 ft (19.2 m) and a deck 29 ft wide.

Who owns K85 HWY over South Fork Solomon River?

It is owned by the State Highway Agency.