US Bridges

K7 HWY over Middle Creek

Good

Miami County, Kansas · .10 MI N of Linn Co. Line · Structure no. 999900700610831

Built
1990
35 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
173 ft
3 main spans
Daily traffic
754
2023 count
Owner
State
State Highway Agency

About this bridge

K7 HWY over Middle Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying K7 HWY 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 754 vehicles a day, roughly 8% of them trucks, projected to reach 957 by 2044. The structure is 173 ft (52.6 m) long and 38 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesK7 HWY
CrossesMiddle Creek
Location.10 MI N of Linn Co. Line
RouteState Highway 7
StateKansas
Coordinates38.39111, -94.89917
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating87.6 US tons
Inventory rating47.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length173 ft (52.6 m)
Longest span80 ft (24.4 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic754 (2023)
Projected traffic957 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 K7 HWY over Middle Creek built?

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

What condition is K7 HWY 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 February 2024.

How much traffic does K7 HWY over Middle Creek carry?

About 754 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is K7 HWY over Middle Creek?

The structure is 173 ft (52.6 m) long with a longest span of 80 ft (24.4 m) and a deck 38 ft wide.

Who owns K7 HWY over Middle Creek?

It is owned by the State Highway Agency.