US Bridges

Rs 170 over Little Walnut Creek

FairPosted for load

Crawford County, Kansas · 0.5S of Walnut · Structure no. 000000000190160

Built
1957
68 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
135 ft
3 main spans
Daily traffic
225
2013 count
Owner
County
County Highway Agency

About this bridge

Rs 170 over Little Walnut Creek is a concrete continuous tee beam carrying Rs 170 over Little Walnut Creek in Crawford County, Kansas. It was built in 1957, so it is 68 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 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 225 vehicles a day, projected to reach 271 by 2044. The structure is 135 ft (41.1 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 170
CrossesLittle Walnut Creek
Location0.5S of Walnut
RouteCounty Highway 170
CountyCrawford County
StateKansas
Coordinates37.58722, -95.07415
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.9 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length135 ft (41.1 m)
Longest span52 ft (15.7 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic225 (2013)
Projected traffic271 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Rs 170 over Little Walnut Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Rs 170 over Little Walnut 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 April 2024.

How much traffic does Rs 170 over Little Walnut Creek carry?

About 225 vehicles per day (2013 count).

How long is Rs 170 over Little Walnut Creek?

The structure is 135 ft (41.1 m) long with a longest span of 52 ft (15.7 m) and a deck 25 ft wide.

Who owns Rs 170 over Little Walnut Creek?

It is owned by the County Highway Agency.