US Bridges

Blackfish Pkwy. over Little Mill Creek Trib.

Good

Johnson County, Kansas · 200 E. of Midland Dr. · Structure no. 526350460000032

Built
1994
31 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
8,040
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Blackfish Pkwy. over Little Mill Creek Trib. is a concrete culvert carrying Blackfish Pkwy. over Little Mill Creek Trib. in Johnson County, Kansas. It was built in 1994, so it is 31 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,040 vehicles a day, roughly 6% of them trucks, projected to reach 9,700 by 2044. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBlackfish Pkwy.
CrossesLittle Mill Creek Trib.
Location200 E. of Midland Dr.
RouteCity Street 0
StateKansas
Coordinates38.99749, -94.75678
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic8,040 (2017)
Projected traffic9,700 by 2044
Trucks6%
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 Blackfish Pkwy. over Little Mill Creek Trib. built?

It was built in 1994, making it 31 years old in 2025.

What condition is Blackfish Pkwy. over Little Mill Creek Trib. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Blackfish Pkwy. over Little Mill Creek Trib. carry?

About 8,040 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is Blackfish Pkwy. over Little Mill Creek Trib.?

The structure is 32 ft (9.8 m) long with a longest span of 11 ft (3.5 m).

Who owns Blackfish Pkwy. over Little Mill Creek Trib.?

It is owned by the City or Municipal Highway Agency.