US Bridges

S. 170th Ave. over Kill Creek

PoorPosted for load

Osborne County, Kansas · 4.3S 0.6W of Bloomington · Structure no. 000710663103840

Built
1936
89 years old
Condition
Poor
inspected August 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

S. 170th Ave. over Kill Creek is a concrete culvert carrying S. 170th Ave. over Kill Creek in Osborne County, Kansas. It was built in 1936, so it is 89 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2043. The structure is 20 ft (6.2 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesS. 170th Ave.
CrossesKill Creek
Location4.3S 0.6W of Bloomington
RouteCounty Highway 0
CountyOsborne County
StateKansas
Coordinates39.39632, -98.80522
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating25 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length20 ft (6.2 m)
Longest span20 ft (6.1 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.1 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 closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$240,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S. 170th Ave. over Kill Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is S. 170th Ave. over Kill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does S. 170th Ave. over Kill Creek carry?

About 10 vehicles per day (2020 count).

How long is S. 170th Ave. over Kill Creek?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.1 m) and a deck 18 ft wide.

Who owns S. 170th Ave. over Kill Creek?

It is owned by the County Highway Agency.