US Bridges

160 Road (rs 246) over N. Fork Smoky Hill River

PoorPosted for load

Logan County, Kansas · 1.0N 1.0 E of Mcallaster · Structure no. 000000000550003

Built
1928
97 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
162 ft
5 main spans
Daily traffic
140
2020 count
Owner
County
County Highway Agency

About this bridge

160 Road (rs 246) over N. Fork Smoky Hill River is a steel stringer/multi-beam or girder carrying 160 Road (rs 246) over N. Fork Smoky Hill River in Logan County, Kansas. It was built in 1928, so it is 97 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 140 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2044. The structure is 162 ft (49.4 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries160 Road (rs 246)
CrossesN. Fork Smoky Hill River
Location1.0N 1.0 E of Mcallaster
RouteCounty Highway 246
CountyLogan County
StateKansas
Coordinates39.01959, -101.3678
Functional classRural Major Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating34.3 US tons
Inventory rating20.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length162 ft (49.4 m)
Longest span32 ft (9.9 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic140 (2020)
Projected traffic150 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 160 Road (rs 246) over N. Fork Smoky Hill River built?

It was built in 1928, making it 97 years old in 2025.

What condition is 160 Road (rs 246) over N. Fork Smoky Hill River 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 September 2024.

How much traffic does 160 Road (rs 246) over N. Fork Smoky Hill River carry?

About 140 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 160 Road (rs 246) over N. Fork Smoky Hill River?

The structure is 162 ft (49.4 m) long with a longest span of 32 ft (9.9 m) and a deck 23 ft wide.

Who owns 160 Road (rs 246) over N. Fork Smoky Hill River?

It is owned by the County Highway Agency.