US Bridges

Ush 151-STH 32-STH over S Br Manitowoc River

Poor

Calumet County, Wisconsin · 0.1M N JCT Sth 32 to N · Structure no. B08000600000000

Built
1951
74 years old
Condition
Poor
inspected May 2024
Type
Culvert
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
9,200
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ush 151-STH 32-STH over S Br Manitowoc River is a concrete continuous culvert carrying Ush 151-STH 32-STH over S Br Manitowoc River in Calumet County, Wisconsin. It was built in 1951, so it is 74 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9,200 vehicles a day, roughly 10% of them trucks, projected to reach 10,403 by 2043. The structure is 36 ft (11.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUsh 151-STH 32-STH
CrossesS Br Manitowoc River
Location0.1M N JCT Sth 32 to N
RouteU.S. Route 151
Coordinates44.02667, -88.16333
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length36 ft (11.1 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,200 (2022)
Projected traffic10,403 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$373,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ush 151-STH 32-STH over S Br Manitowoc River built?

It was built in 1951, making it 74 years old in 2025.

What condition is Ush 151-STH 32-STH over S Br Manitowoc River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Ush 151-STH 32-STH over S Br Manitowoc River carry?

About 9,200 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Ush 151-STH 32-STH over S Br Manitowoc River?

The structure is 36 ft (11.1 m) long with a longest span of 16 ft (4.9 m).

Who owns Ush 151-STH 32-STH over S Br Manitowoc River?

It is owned by the City or Municipal Highway Agency.