US Bridges

340 Rd. over Trib. to Lyon Creek

GoodPosted for load

Marion County, Kansas · 1.2W of Lost Springs · Structure no. 000000000570520

Built
1935
90 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
175
2020 count
Owner
County
County Highway Agency

About this bridge

340 Rd. over Trib. to Lyon Creek is a concrete culvert carrying 340 Rd. over Trib. to Lyon Creek in Marion County, Kansas. It was built in 1935, so it is 90 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 175 vehicles a day, roughly 10% of them trucks, projected to reach 225 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries340 Rd.
CrossesTrib. to Lyon Creek
Location1.2W of Lost Springs
RouteCounty Highway 427
StateKansas
Coordinates38.566, -96.98883
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic175 (2020)
Projected traffic225 by 2044
Trucks10%
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 340 Rd. over Trib. to Lyon Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is 340 Rd. over Trib. to Lyon Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does 340 Rd. over Trib. to Lyon Creek carry?

About 175 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 340 Rd. over Trib. to Lyon Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns 340 Rd. over Trib. to Lyon Creek?

It is owned by the County Highway Agency.