US Bridges

Rs 1598 270th St. over Roys Creek

FairPosted for load

Brown County, Kansas · 5.4N of Robinson · Structure no. 000000000070053

Built
1940
85 years old
Condition
Fair
inspected October 2024
Type
Truss - Thru
Steel
Length
85 ft
1 main span
Daily traffic
12
2016 count
Owner
County
County Highway Agency

About this bridge

Rs 1598 270th St. over Roys Creek is a steel truss - thru carrying Rs 1598 270th St. over Roys Creek in Brown County, Kansas. It was built in 1940, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 12 vehicles a day, roughly 10% of them trucks, projected to reach 20 by 2041. The structure is 85 ft (25.8 m) long and 20 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesRs 1598 270th St.
CrossesRoys Creek
Location5.4N of Robinson
RouteCounty Highway 1598
CountyBrown County
StateKansas
Coordinates39.89996, -95.40959
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.1 US tons
Inventory rating25.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length85 ft (25.8 m)
Longest span84 ft (25.7 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic12 (2016)
Projected traffic20 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$213,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 1598 270th St. over Roys Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Rs 1598 270th St. over Roys 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 October 2024.

How much traffic does Rs 1598 270th St. over Roys Creek carry?

About 12 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Rs 1598 270th St. over Roys Creek?

The structure is 85 ft (25.8 m) long with a longest span of 84 ft (25.7 m) and a deck 20 ft wide.

Who owns Rs 1598 270th St. over Roys Creek?

It is owned by the County Highway Agency.