US Bridges

IH 39 SB / IH 90 E over Lrd Lake Drive Road

Good

Dane County, Wisconsin · 1.8M E JCT Ush 51 to S · Structure no. B13070000000000

Built
2018
7 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
145 ft
1 main span
Daily traffic
28,325
2022 count
Owner
State
State Highway Agency

About this bridge

IH 39 SB / IH 90 E over Lrd Lake Drive Road is a prestressed concrete stringer/multi-beam or girder carrying IH 39 SB / IH 90 E over Lrd Lake Drive Road in Dane County, Wisconsin. It was built in 2018, so it is 7 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 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 28,325 vehicles a day, roughly 29% of them trucks, projected to reach 35,900 by 2040. The structure is 145 ft (44.1 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 39 SB / IH 90 E
CrossesLrd Lake Drive Road
Location1.8M E JCT Ush 51 to S
RouteInterstate 39
Coordinates42.85472, -89.03667
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length145 ft (44.1 m)
Longest span139 ft (42.5 m)
Deck width64 ft (19.4 m)
Roadway width61 ft (18.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,325 (2022)
Projected traffic35,900 by 2040
Trucks29%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 Lrd Lake Drive Road built?

It was built in 2018, making it 7 years old in 2025.

What condition is IH 39 SB / IH 90 E over Lrd Lake Drive Road 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 October 2024.

How much traffic does IH 39 SB / IH 90 E over Lrd Lake Drive Road carry?

About 28,325 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is IH 39 SB / IH 90 E over Lrd Lake Drive Road?

The structure is 145 ft (44.1 m) long with a longest span of 139 ft (42.5 m) and a deck 64 ft wide.

Who owns IH 39 SB / IH 90 E over Lrd Lake Drive Road?

It is owned by the State Highway Agency.