US Bridges

320 Rd. over Trib. to Clear Creek

FairPosted for load

Marion County, Kansas · 1.7S of Lost Springs · Structure no. 000570861105020

Built
1955
70 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

320 Rd. over Trib. to Clear Creek is a concrete culvert carrying 320 Rd. over Trib. to Clear Creek in Marion County, Kansas. It was built in 1955, so it is 70 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 40 vehicles a day, roughly 5% of them trucks, projected to reach 48 by 2044. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries320 Rd.
CrossesTrib. to Clear Creek
Location1.7S of Lost Springs
RouteCounty Highway 0
CountyMarion County
StateKansas
Coordinates38.53692, -96.965
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2020)
Projected traffic48 by 2044
Trucks5%
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 320 Rd. over Trib. to Clear Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is 320 Rd. over Trib. to Clear 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 320 Rd. over Trib. to Clear Creek carry?

About 40 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 320 Rd. over Trib. to Clear Creek?

The structure is 22 ft (6.8 m) long with a longest span of 7 ft (2.1 m).

Who owns 320 Rd. over Trib. to Clear Creek?

It is owned by the County Highway Agency.