US Bridges

Ush 51 over Unnamed Waterway

Fair

Dane County, Wisconsin · 3.3 M N JCT Sth 138 · Structure no. B13081200000000

Built
2016
9 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
11,500
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 51 over Unnamed Waterway is a concrete culvert carrying Ush 51 over Unnamed Waterway in Dane County, Wisconsin. It was built in 2016, so it is 9 years old, younger 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 11,500 vehicles a day, projected to reach 13,800 by 2042. The structure is 21 ft (6.3 m) long and 75 ft wide. If it were closed, the detour would be 28.6 mi (46 km).

Location

Open in Google Maps
CarriesUsh 51
CrossesUnnamed Waterway
Location3.3 M N JCT Sth 138
RouteU.S. Route 51
CountyDane County
StateWisconsin
Coordinates42.95333, -89.28083
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span8 ft (2.5 m)
Deck width75 ft (22.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2022)
Projected traffic13,800 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28.6 mi (46 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ush 51 over Unnamed Waterway built?

It was built in 2016, making it 9 years old in 2025.

What condition is Ush 51 over Unnamed Waterway 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 March 2024.

How much traffic does Ush 51 over Unnamed Waterway carry?

About 11,500 vehicles per day (2022 count).

How long is Ush 51 over Unnamed Waterway?

The structure is 21 ft (6.3 m) long with a longest span of 8 ft (2.5 m) and a deck 75 ft wide.

Who owns Ush 51 over Unnamed Waterway?

It is owned by the State Highway Agency.