US Bridges

Mallon Road over Seven Mile Creek

Fair

Riley County, Kansas · 972-356 · Structure no. DAPFORRIL000924

Built
1979
46 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
50
2019 count
Owner
Federal
Army

About this bridge

Mallon Road over Seven Mile Creek is a concrete culvert carrying Mallon Road over Seven Mile Creek in Riley County, Kansas. It was built in 1979, so it is 46 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 50 by 2044. The structure is 33 ft (10.2 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMallon Road
CrossesSeven Mile Creek
Location972-356
StateKansas
Coordinates39.14915, -96.71853
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length33 ft (10.2 m)
Longest span16 ft (4.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic50 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

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$32,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mallon Road over Seven Mile Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Mallon Road over Seven Mile Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Mallon Road over Seven Mile Creek carry?

About 50 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Mallon Road over Seven Mile Creek?

The structure is 33 ft (10.2 m) long with a longest span of 16 ft (4.9 m) and a deck 26 ft wide.

Who owns Mallon Road over Seven Mile Creek?

It is owned by the Army.