US Bridges

W. 170th Dr. over Kill Creek

FairPosted for load

Osborne County, Kansas · 9.0N 3.8E of Natoma · Structure no. 000710647803940

Built
1978
47 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
81 ft
3 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

W. 170th Dr. over Kill Creek is a steel continuous stringer/multi-beam or girder carrying W. 170th Dr. over Kill Creek in Osborne County, Kansas. It was built in 1978, so it is 47 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2043. The structure is 81 ft (24.7 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesW. 170th Dr.
CrossesKill Creek
Location9.0N 3.8E of Natoma
RouteCounty Highway 0
CountyOsborne County
StateKansas
Coordinates39.32135, -98.9388
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating27.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans3
Design loadH 10
Structure length81 ft (24.7 m)
Longest span32 ft (9.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2020)
Projected traffic10 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W. 170th Dr. over Kill Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is W. 170th Dr. over Kill Creek 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 June 2023.

How much traffic does W. 170th Dr. over Kill Creek carry?

About 10 vehicles per day (2020 count).

How long is W. 170th Dr. over Kill Creek?

The structure is 81 ft (24.7 m) long with a longest span of 32 ft (9.7 m) and a deck 24 ft wide.

Who owns W. 170th Dr. over Kill Creek?

It is owned by the County Highway Agency.