US Bridges

Lrd N Union RD over Manitowoc River

Fair

Manitowoc County, Wisconsin · 0.2M N JCT Cth Jj · Structure no. P36014600000000

Built
1974
51 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
97 ft
1 main span
Daily traffic
112
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd N Union RD over Manitowoc River is a prestressed concrete box beam or girders - single or spread carrying Lrd N Union RD over Manitowoc River in Manitowoc County, Wisconsin. It was built in 1974, so it is 51 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 112 vehicles a day, projected to reach 103 by 2043. The structure is 97 ft (29.7 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesLrd N Union RD
CrossesManitowoc River
Location0.2M N JCT Cth Jj
RouteCity Street 0
CountyManitowoc County
StateWisconsin
Coordinates44.11183, -87.78117
Functional classRural Local

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating48.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length97 ft (29.7 m)
Longest span94 ft (28.8 m)
Deck width33 ft (10.2 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2024)
Projected traffic103 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 N Union RD over Manitowoc River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Lrd N Union RD over Manitowoc River 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 December 2024.

How much traffic does Lrd N Union RD over Manitowoc River carry?

About 112 vehicles per day (2024 count).

How long is Lrd N Union RD over Manitowoc River?

The structure is 97 ft (29.7 m) long with a longest span of 94 ft (28.8 m) and a deck 33 ft wide.

Who owns Lrd N Union RD over Manitowoc River?

It is owned by the Town or Township Highway Agency.