US Bridges

K7 HWY over Lost Creek

Good

Bourbon County, Kansas · 0.42 MI N Ejct K31 · Structure no. 999900700060341

Built
1956
69 years old
Condition
Good
inspected February 2023
Type
Tee Beam
Concrete Continuous
Length
173 ft
3 main spans
Daily traffic
416
2023 count
Owner
State
State Highway Agency

About this bridge

K7 HWY over Lost Creek is a concrete continuous tee beam carrying K7 HWY over Lost Creek in Bourbon County, Kansas. It was built in 1956, so it is 69 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 416 vehicles a day, roughly 13% of them trucks, projected to reach 460 by 2044. The structure is 173 ft (52.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesK7 HWY
CrossesLost Creek
Location0.42 MI N Ejct K31
RouteState Highway 7
StateKansas
Coordinates38.02194, -94.80528
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.8 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length173 ft (52.6 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic416 (2023)
Projected traffic460 by 2044
Trucks13%
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 K7 HWY over Lost Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is K7 HWY over Lost Creek 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 February 2023.

How much traffic does K7 HWY over Lost Creek carry?

About 416 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is K7 HWY over Lost Creek?

The structure is 173 ft (52.6 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns K7 HWY over Lost Creek?

It is owned by the State Highway Agency.