US Bridges

335th ST over Middle Creek

Good

Miami County, Kansas · 7.0S 1.2W of Louisburg · Structure no. 000611103805040

Built
1990
35 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
230
2011 count
Owner
County
County Highway Agency

About this bridge

335th ST over Middle Creek is a steel stringer/multi-beam or girder carrying 335th ST over Middle Creek in Miami County, Kansas. It was built in 1990, so it is 35 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.

It carries about 230 vehicles a day, projected to reach 258 by 2043. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries335th ST
CrossesMiddle Creek
Location7.0S 1.2W of Louisburg
RouteCounty Highway 6112
StateKansas
Coordinates38.51982, -94.69739
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 rating97 US tons
Inventory rating68 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span23 ft (7 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic230 (2011)
Projected traffic258 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 335th ST over Middle Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is 335th ST over 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 335th ST over Middle Creek carry?

About 230 vehicles per day (2011 count).

How long is 335th ST over Middle Creek?

The structure is 34 ft (10.4 m) long with a longest span of 23 ft (7 m) and a deck 28 ft wide.

Who owns 335th ST over Middle Creek?

It is owned by the County Highway Agency.