US Bridges

Lrd 4 Corners RD over Marengo River

Good

Bayfield County, Wisconsin · 0.3M S JCT Cth E · Structure no. B04003000000000

Built
1981
44 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
53
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 4 Corners RD over Marengo River is a prestressed concrete stringer/multi-beam or girder carrying Lrd 4 Corners RD over Marengo River in Bayfield County, Wisconsin. It was built in 1981, so it is 44 years old, older 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 53 vehicles a day, projected to reach 57 by 2043. The structure is 83 ft (25.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLrd 4 Corners RD
CrossesMarengo River
Location0.3M S JCT Cth E
RouteCity Street 0
Coordinates46.40994, -90.94582
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length83 ft (25.4 m)
Longest span81 ft (24.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (2022)
Projected traffic57 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 4 Corners RD over Marengo River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Lrd 4 Corners RD over Marengo 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 August 2024.

How much traffic does Lrd 4 Corners RD over Marengo River carry?

About 53 vehicles per day (2022 count).

How long is Lrd 4 Corners RD over Marengo River?

The structure is 83 ft (25.4 m) long with a longest span of 81 ft (24.7 m) and a deck 28 ft wide.

Who owns Lrd 4 Corners RD over Marengo River?

It is owned by the Town or Township Highway Agency.