US Bridges

DENNIS#24 over Mill Creek Tributary

Fair

Johnson County, Kansas · 0.3E of Harrison · Structure no. 421200464202024

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
6,730
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

DENNIS#24 over Mill Creek Tributary is a concrete culvert carrying DENNIS#24 over Mill Creek Tributary in Johnson County, Kansas. It was built in 1975, so it is 50 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 6,730 vehicles a day, roughly 5% of them trucks, projected to reach 9,700 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDENNIS#24
CrossesMill Creek Tributary
Location0.3E of Harrison
RouteCity Street 4202
StateKansas
Coordinates38.86911, -94.81079
Functional classUrban 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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic6,730 (2005)
Projected traffic9,700 by 2043
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 DENNIS#24 over Mill Creek Tributary built?

It was built in 1975, making it 50 years old in 2025.

What condition is DENNIS#24 over Mill Creek Tributary 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 May 2023.

How much traffic does DENNIS#24 over Mill Creek Tributary carry?

About 6,730 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is DENNIS#24 over Mill Creek Tributary?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.6 m).

Who owns DENNIS#24 over Mill Creek Tributary?

It is owned by the City or Municipal Highway Agency.