US Bridges

IH 39 NB / IH 90 W over Lrd Kennedy RD

Good

Rock County, Wisconsin · 1.1M W JCT Sth 26 · Structure no. B53034700000000

Built
2020
5 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
114 ft
1 main span
Daily traffic
29,625
2022 count
Owner
State
State Highway Agency

About this bridge

IH 39 NB / IH 90 W over Lrd Kennedy RD is a prestressed concrete stringer/multi-beam or girder carrying IH 39 NB / IH 90 W over Lrd Kennedy RD in Rock County, Wisconsin. It was built in 2020, so it is 5 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 29,625 vehicles a day, projected to reach 35,550 by 2040. The structure is 114 ft (34.7 m) long and 63 ft wide.

Location

Open in Google Maps
CarriesIH 39 NB / IH 90 W
CrossesLrd Kennedy RD
Location1.1M W JCT Sth 26
RouteInterstate 39
CountyRock County
StateWisconsin
Coordinates42.73693, -89.00428
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length114 ft (34.7 m)
Longest span109 ft (33.2 m)
Deck width63 ft (19.3 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,625 (2022)
Projected traffic35,550 by 2040
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 39 NB / IH 90 W over Lrd Kennedy RD built?

It was built in 2020, making it 5 years old in 2025.

What condition is IH 39 NB / IH 90 W over Lrd Kennedy RD 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 April 2024.

How much traffic does IH 39 NB / IH 90 W over Lrd Kennedy RD carry?

About 29,625 vehicles per day (2022 count).

How long is IH 39 NB / IH 90 W over Lrd Kennedy RD?

The structure is 114 ft (34.7 m) long with a longest span of 109 ft (33.2 m) and a deck 63 ft wide.

Who owns IH 39 NB / IH 90 W over Lrd Kennedy RD?

It is owned by the State Highway Agency.