US Bridges

87th Lane N.2-15.8 over Mill Creek

Fair

Johnson County, Kansas · 2.2E 2.0N Int. W K-10 & 7 · Structure no. 515700460000005

Built
1979
46 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
979
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

87th Lane N.2-15.8 over Mill Creek is a concrete continuous slab carrying 87th Lane N.2-15.8 over Mill Creek in Johnson 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 979 vehicles a day, projected to reach 250 by 2043. The structure is 142 ft (43.4 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries87th Lane N.2-15.8
CrossesMill Creek
Location2.2E 2.0N Int. W K-10 & 7
RouteCity Street 0
StateKansas
Coordinates38.96728, -94.81457
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating50.6 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length142 ft (43.4 m)
Longest span56 ft (17 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic979 (2011)
Projected traffic250 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 87th Lane N.2-15.8 over Mill Creek built?

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

What condition is 87th Lane N.2-15.8 over 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 87th Lane N.2-15.8 over Mill Creek carry?

About 979 vehicles per day (2011 count).

How long is 87th Lane N.2-15.8 over Mill Creek?

The structure is 142 ft (43.4 m) long with a longest span of 56 ft (17 m) and a deck 34 ft wide.

Who owns 87th Lane N.2-15.8 over Mill Creek?

It is owned by the City or Municipal Highway Agency.