US Bridges

343rd ST over Jake Br. of Middle Creek

GoodPosted for load

Miami County, Kansas · 3.0N 1.1E New Lancaster · Structure no. 000611103105060

Built
1981
44 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
93
2011 count
Owner
County
County Highway Agency

About this bridge

343rd ST over Jake Br. of Middle Creek is a concrete culvert carrying 343rd ST over Jake Br. of Middle Creek in Miami County, Kansas. It was built in 1981, so it is 44 years old, younger 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 93 vehicles a day, projected to reach 96 by 2043. The structure is 37 ft (11.4 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries343rd ST
CrossesJake Br. of Middle Creek
Location3.0N 1.1E New Lancaster
RouteCounty Highway 6110
StateKansas
Coordinates38.50601, -94.71269
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length37 ft (11.4 m)
Longest span12 ft (3.6 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic93 (2011)
Projected traffic96 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 343rd ST over Jake Br. of Middle Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is 343rd ST over Jake Br. of Middle 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 June 2023.

How much traffic does 343rd ST over Jake Br. of Middle Creek carry?

About 93 vehicles per day (2011 count).

How long is 343rd ST over Jake Br. of Middle Creek?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.6 m) and a deck 27 ft wide.

Who owns 343rd ST over Jake Br. of Middle Creek?

It is owned by the County Highway Agency.