US Bridges

K31 HWY over Lost Creek

Good

Linn County, Kansas · 1.75 MI N Bourbon Coln · Structure no. 999903100540311

Built
1980
45 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
308
2023 count
Owner
State
State Highway Agency

About this bridge

K31 HWY over Lost Creek is a concrete continuous slab carrying K31 HWY over Lost Creek in Linn County, Kansas. It was built in 1980, so it is 45 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 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 308 vehicles a day, roughly 9% of them trucks, projected to reach 361 by 2044. The structure is 113 ft (34.3 m) long and 30 ft wide.

CarriesK31 HWY
CrossesLost Creek
Location1.75 MI N Bourbon Coln
RouteState Highway 31
StateKansas
Coordinates38.06167, -94.87889
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length113 ft (34.3 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic308 (2023)
Projected traffic361 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 K31 HWY over Lost Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is K31 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 2024.

How much traffic does K31 HWY over Lost Creek carry?

About 308 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is K31 HWY over Lost Creek?

The structure is 113 ft (34.3 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns K31 HWY over Lost Creek?

It is owned by the State Highway Agency.