US Bridges

Ush 51 Nb-Stoughto over Lrd Cottage Grove RD

Fair

Dane County, Wisconsin · 2.6M N JCT Ush 12 to E · Structure no. B13000800000000

Built
1949
76 years old, rebuilt 1980
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
686 ft
10 main spans
Daily traffic
22,300
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 51 Nb-Stoughto over Lrd Cottage Grove RD is a steel continuous stringer/multi-beam or girder carrying Ush 51 Nb-Stoughto over Lrd Cottage Grove RD in Dane County, Wisconsin. It was built in 1949 and reconstructed in 1980, so it is 76 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 22,300 vehicles a day, roughly 10% of them trucks, projected to reach 26,760 by 2042. The structure is 686 ft (209.1 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesUsh 51 Nb-Stoughto
CrossesLrd Cottage Grove RD
Location2.6M N JCT Ush 12 to E
RouteU.S. Route 51
CountyDane County
StateWisconsin
Coordinates43.08248, -89.31065
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.7 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadH 20
Structure length686 ft (209.1 m)
Longest span79 ft (24.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,300 (2022)
Projected traffic26,760 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Ush 51 Nb-Stoughto over Lrd Cottage Grove RD built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1980.

What condition is Ush 51 Nb-Stoughto over Lrd Cottage Grove RD in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Ush 51 Nb-Stoughto over Lrd Cottage Grove RD carry?

About 22,300 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Ush 51 Nb-Stoughto over Lrd Cottage Grove RD?

The structure is 686 ft (209.1 m) long with a longest span of 79 ft (24.2 m) and a deck 32 ft wide.

Who owns Ush 51 Nb-Stoughto over Lrd Cottage Grove RD?

It is owned by the State Highway Agency.