US Bridges

IH 39 NB over Lrd Lien RD

Good

Dane County, Wisconsin · 1.25 Mi. N of Sth 30 · Structure no. B13054200000000

Built
2010
15 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
104 ft
2 main spans
Daily traffic
54,500
2022 count
Owner
State
State Highway Agency

About this bridge

IH 39 NB over Lrd Lien RD is a concrete continuous slab carrying IH 39 NB over Lrd Lien RD in Dane County, Wisconsin. It was built in 2010, so it is 15 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 54,500 vehicles a day, projected to reach 65,400 by 2042. The structure is 104 ft (31.7 m) long and 92 ft wide.

CarriesIH 39 NB
CrossesLrd Lien RD
Location1.25 Mi. N of Sth 30
RouteInterstate 39
Coordinates43.12113, -89.2889
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.
Substructure7 GoodSome minor problems.
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 rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length104 ft (31.7 m)
Longest span50 ft (15.2 m)
Deck width92 ft (28 m)
Roadway width89 ft (27.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,500 (2022)
Projected traffic65,400 by 2042
Trucks0%
Lanes on structure4
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 over Lrd Lien RD built?

It was built in 2010, making it 15 years old in 2025.

What condition is IH 39 NB over Lrd Lien 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 October 2024.

How much traffic does IH 39 NB over Lrd Lien RD carry?

About 54,500 vehicles per day (2022 count).

How long is IH 39 NB over Lrd Lien RD?

The structure is 104 ft (31.7 m) long with a longest span of 50 ft (15.2 m) and a deck 92 ft wide.

Who owns IH 39 NB over Lrd Lien RD?

It is owned by the State Highway Agency.