US Bridges

RD 370 (S-370) over Elm Creek

Fair

Lyon County, Kansas · 4.0N 1.0E of Admire · Structure no. 000000000560690

Built
1959
66 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
3 main spans
Daily traffic
60
2007 count
Owner
County
County Highway Agency

About this bridge

RD 370 (S-370) over Elm Creek is a steel continuous stringer/multi-beam or girder carrying RD 370 (S-370) over Elm Creek in Lyon County, Kansas. It was built in 1959, so it is 66 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.

It carries about 60 vehicles a day, projected to reach 95 by 2043. The structure is 200 ft (61.1 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesRD 370 (S-370)
CrossesElm Creek
Location4.0N 1.0E of Admire
RouteCounty Highway 1509
CountyLyon County
StateKansas
Coordinates38.69533, -96.07644
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.6 US tons
Inventory rating19.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length200 ft (61.1 m)
Longest span77 ft (23.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic60 (2007)
Projected traffic95 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$312,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RD 370 (S-370) over Elm Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is RD 370 (S-370) over Elm 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 February 2023.

How much traffic does RD 370 (S-370) over Elm Creek carry?

About 60 vehicles per day (2007 count).

How long is RD 370 (S-370) over Elm Creek?

The structure is 200 ft (61.1 m) long with a longest span of 77 ft (23.4 m) and a deck 27 ft wide.

Who owns RD 370 (S-370) over Elm Creek?

It is owned by the County Highway Agency.