US Bridges

Northgate #44 over Mill Creek

Good

Johnson County, Kansas · 0.2S of 119th. St. · Structure no. 521200460000044

Built
1987
38 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
198 ft
3 main spans
Daily traffic
12,625
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Northgate #44 over Mill Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Northgate #44 over Mill Creek in Johnson County, Kansas. It was built in 1987, so it is 38 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 12,625 vehicles a day, roughly 5% of them trucks, projected to reach 18,240 by 2043. The structure is 198 ft (60.4 m) long and 86 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNorthgate #44
CrossesMill Creek
Location0.2S of 119th. St.
RouteCity Street 0
StateKansas
Coordinates38.91016, -94.80947
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.3 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span75 ft (22.8 m)
Deck width86 ft (26.3 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic12,625 (2010)
Projected traffic18,240 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 Northgate #44 over Mill Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Northgate #44 over Mill Creek 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 May 2023.

How much traffic does Northgate #44 over Mill Creek carry?

About 12,625 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Northgate #44 over Mill Creek?

The structure is 198 ft (60.4 m) long with a longest span of 75 ft (22.8 m) and a deck 86 ft wide.

Who owns Northgate #44 over Mill Creek?

It is owned by the City or Municipal Highway Agency.