US Bridges

IH 39 SB / IH 90 E over Wis & Calumet RR

Good

Rock County, Wisconsin · 7.8M E JCT Sth 59 to E · Structure no. B53034400000000

Built
2021
4 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
29,500
2022 count
Owner
State
State Highway Agency

About this bridge

IH 39 SB / IH 90 E over Wis & Calumet RR is a prestressed concrete stringer/multi-beam or girder carrying IH 39 SB / IH 90 E over Wis & Calumet RR in Rock County, Wisconsin. It was built in 2021, so it is 4 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 29,500 vehicles a day, roughly 29% of them trucks, projected to reach 46,200 by 2040. The structure is 64 ft (19.4 m) long and 116 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 39 SB / IH 90 E
CrossesWis & Calumet RR
Location7.8M E JCT Sth 59 to E
RouteInterstate 39
Coordinates42.72944, -88.99827
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length64 ft (19.4 m)
Longest span59 ft (18 m)
Deck width116 ft (35.5 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,500 (2022)
Projected traffic46,200 by 2040
Trucks29%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
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 SB / IH 90 E over Wis & Calumet RR built?

It was built in 2021, making it 4 years old in 2025.

What condition is IH 39 SB / IH 90 E over Wis & Calumet RR 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 June 2023.

How much traffic does IH 39 SB / IH 90 E over Wis & Calumet RR carry?

About 29,500 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is IH 39 SB / IH 90 E over Wis & Calumet RR?

The structure is 64 ft (19.4 m) long with a longest span of 59 ft (18 m) and a deck 116 ft wide.

Who owns IH 39 SB / IH 90 E over Wis & Calumet RR?

It is owned by the State Highway Agency.