US Bridges

IH 39 NB / IH 90 W over Ush 51

Good

Dane County, Wisconsin · 3.7 MI N JCT With Sth 73 · Structure no. B13070800000000

Built
2017
8 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
153 ft
2 main spans
Daily traffic
28,900
2022 count
Owner
State
State Highway Agency

About this bridge

IH 39 NB / IH 90 W over Ush 51 is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 39 NB / IH 90 W over Ush 51 in Dane County, Wisconsin. It was built in 2017, so it is 8 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 28,900 vehicles a day, projected to reach 34,680 by 2042. The structure is 153 ft (46.5 m) long and 76 ft wide.

Location

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CarriesIH 39 NB / IH 90 W
CrossesUsh 51
Location3.7 MI N JCT With Sth 73
RouteInterstate 39
CountyDane County
StateWisconsin
Coordinates42.92086, -89.08502
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 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 rating62.2 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length153 ft (46.5 m)
Longest span75 ft (22.9 m)
Deck width76 ft (23.3 m)
Roadway width74 ft (22.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,900 (2022)
Projected traffic34,680 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$949,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 39 NB / IH 90 W over Ush 51 built?

It was built in 2017, making it 8 years old in 2025.

What condition is IH 39 NB / IH 90 W over Ush 51 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 NB / IH 90 W over Ush 51 carry?

About 28,900 vehicles per day (2022 count).

How long is IH 39 NB / IH 90 W over Ush 51?

The structure is 153 ft (46.5 m) long with a longest span of 75 ft (22.9 m) and a deck 76 ft wide.

Who owns IH 39 NB / IH 90 W over Ush 51?

It is owned by the State Highway Agency.