US Bridges

K170 HWY over Plum Creek

Good

Osage County, Kansas · 1.68 MI E Lyon Coln · Structure no. 999917000700591

Built
1970
55 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
37 ft
2 main spans
Daily traffic
369
2023 count
Owner
State
State Highway Agency

About this bridge

K170 HWY over Plum Creek is a concrete culvert carrying K170 HWY over Plum Creek in Osage County, Kansas. It was built in 1970, so it is 55 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 369 vehicles a day, roughly 17% of them trucks, projected to reach 376 by 2044. The structure is 37 ft (11.3 m) long and 46 ft wide.

CarriesK170 HWY
CrossesPlum Creek
Location1.68 MI E Lyon Coln
RouteState Highway 170
StateKansas
Coordinates38.52056, -95.91889
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length37 ft (11.3 m)
Longest span18 ft (5.5 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic369 (2023)
Projected traffic376 by 2044
Trucks17%
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 K170 HWY over Plum Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is K170 HWY over Plum 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 May 2024.

How much traffic does K170 HWY over Plum Creek carry?

About 369 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is K170 HWY over Plum Creek?

The structure is 37 ft (11.3 m) long with a longest span of 18 ft (5.5 m) and a deck 46 ft wide.

Who owns K170 HWY over Plum Creek?

It is owned by the State Highway Agency.