US Bridges

Rs 60 170th St. over Buttermilk Creek

Fair

Brown County, Kansas · 1.9N 2.8E of Willis · Structure no. 000000000070009

Built
1925
100 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
40 ft
2 main spans
Daily traffic
230
2016 count
Owner
County
County Highway Agency

About this bridge

Rs 60 170th St. over Buttermilk Creek is a concrete slab carrying Rs 60 170th St. over Buttermilk Creek in Brown County, Kansas. It was built in 1925, so it is 100 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 230 vehicles a day, roughly 10% of them trucks, projected to reach 232 by 2044. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesRs 60 170th St.
CrossesButtermilk Creek
Location1.9N 2.8E of Willis
RouteCounty Highway 60
CountyBrown County
StateKansas
Coordinates39.75459, -95.45086
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length40 ft (12.2 m)
Longest span19 ft (5.7 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic230 (2016)
Projected traffic232 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$380,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 60 170th St. over Buttermilk Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is Rs 60 170th St. over Buttermilk 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 January 2024.

How much traffic does Rs 60 170th St. over Buttermilk Creek carry?

About 230 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Rs 60 170th St. over Buttermilk Creek?

The structure is 40 ft (12.2 m) long with a longest span of 19 ft (5.7 m) and a deck 25 ft wide.

Who owns Rs 60 170th St. over Buttermilk Creek?

It is owned by the County Highway Agency.