US Bridges

370 Rd. over Trib. to Lyon Creek

FairPosted for load

Marion County, Kansas · 0.5N of Ramona · Structure no. 000570851104920

Built
1925
100 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

370 Rd. over Trib. to Lyon Creek is a concrete culvert carrying 370 Rd. over Trib. to Lyon Creek in Marion 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 1% of them trucks, projected to reach 48 by 2044. The structure is 26 ft (7.8 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries370 Rd.
CrossesTrib. to Lyon Creek
Location0.5N of Ramona
RouteCounty Highway 0
CountyMarion County
StateKansas
Coordinates38.60917, -97.05778
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating11 US tons
Inventory rating11 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span8 ft (2.4 m)
Deck width22 ft (6.6 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2020)
Projected traffic48 by 2044
Trucks1%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 370 Rd. over Trib. to Lyon Creek built?

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

What condition is 370 Rd. over Trib. to Lyon 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 November 2024.

How much traffic does 370 Rd. over Trib. to Lyon Creek carry?

About 40 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is 370 Rd. over Trib. to Lyon Creek?

The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m) and a deck 22 ft wide.

Who owns 370 Rd. over Trib. to Lyon Creek?

It is owned by the County Highway Agency.