US Bridges

79th. Street over Little Mill Creek

Fair

Johnson County, Kansas · 0.1W of Cottonwood Street · Structure no. 515700460000010

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
52 ft
2 main spans
Daily traffic
6,530
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

79th. Street over Little Mill Creek is a concrete culvert carrying 79th. Street over Little Mill Creek in Johnson County, Kansas. It was built in 1978, so it is 47 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 6,530 vehicles a day, roughly 5% of them trucks, projected to reach 9,500 by 2041. The structure is 52 ft (15.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Carries79th. Street
CrossesLittle Mill Creek
Location0.1W of Cottonwood Street
RouteCity Street 0
StateKansas
Coordinates38.98559, -94.74985
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.7 US tons
Inventory rating32.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length52 ft (15.9 m)
Longest span25 ft (7.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic6,530 (2009)
Projected traffic9,500 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 79th. Street over Little Mill Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is 79th. Street over Little Mill 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 November 2023.

How much traffic does 79th. Street over Little Mill Creek carry?

About 6,530 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is 79th. Street over Little Mill Creek?

The structure is 52 ft (15.9 m) long with a longest span of 25 ft (7.7 m).

Who owns 79th. Street over Little Mill Creek?

It is owned by the City or Municipal Highway Agency.