US Bridges

M-9.1 Minor over Black Kettle Creek

PoorPosted for load

Harvey County, Kansas · 4.0S 6.9W of Hesston · Structure no. 000400797105640

Built
1950
75 years old
Condition
Poor
inspected April 2024
Type
Channel Beam
Concrete
Length
79 ft
3 main spans
Daily traffic
150
2017 count
Owner
County
County Highway Agency

About this bridge

M-9.1 Minor over Black Kettle Creek is a concrete channel beam carrying M-9.1 Minor over Black Kettle Creek in Harvey County, Kansas. It was built in 1950, so it is 75 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 15% of them trucks, projected to reach 58 by 2042. The structure is 79 ft (24.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesM-9.1 Minor
CrossesBlack Kettle Creek
Location4.0S 6.9W of Hesston
RouteCounty Highway 4012
StateKansas
Coordinates38.08667, -97.55333
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13.3 US tons
Inventory rating5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length79 ft (24.1 m)
Longest span26 ft (7.8 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic150 (2017)
Projected traffic58 by 2042
Trucks15%
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9,000
NavigationNo navigation control on waterway

Frequently asked questions

When was M-9.1 Minor over Black Kettle Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is M-9.1 Minor over Black Kettle Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does M-9.1 Minor over Black Kettle Creek carry?

About 150 vehicles per day (2017 count), of which roughly 15% are trucks.

How long is M-9.1 Minor over Black Kettle Creek?

The structure is 79 ft (24.1 m) long with a longest span of 26 ft (7.8 m) and a deck 27 ft wide.

Who owns M-9.1 Minor over Black Kettle Creek?

It is owned by the County Highway Agency.