US Bridges

Lrd Irish RD over S Br Manitowoc River

Good

Calumet County, Wisconsin · 0.8M N JCT Ush 151 · Structure no. B08003700000000

Built
1999
26 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
67 ft
2 main spans
Daily traffic
1,653
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Irish RD over S Br Manitowoc River is a concrete continuous slab carrying Lrd Irish RD over S Br Manitowoc River in Calumet County, Wisconsin. It was built in 1999, so it is 26 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 1,653 vehicles a day, projected to reach 1,818 by 2043. The structure is 67 ft (20.5 m) long and 50 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLrd Irish RD
CrossesS Br Manitowoc River
Location0.8M N JCT Ush 151
RouteCity Street 0
Coordinates44.03556, -88.14278
Functional classRural Local

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating78.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length67 ft (20.5 m)
Longest span31 ft (9.6 m)
Deck width50 ft (15.1 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,653 (2022)
Projected traffic1,818 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Irish RD over S Br Manitowoc River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Lrd Irish RD over S Br Manitowoc River 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 May 2024.

How much traffic does Lrd Irish RD over S Br Manitowoc River carry?

About 1,653 vehicles per day (2022 count).

How long is Lrd Irish RD over S Br Manitowoc River?

The structure is 67 ft (20.5 m) long with a longest span of 31 ft (9.6 m) and a deck 50 ft wide.

Who owns Lrd Irish RD over S Br Manitowoc River?

It is owned by the City or Municipal Highway Agency.