US Bridges

Lrd Cth N/6th Ave over Sth 11

Good

Green County, Wisconsin · City of Monroe · Structure no. B23011500000000

Built
1997
28 years old
Condition
Good
inspected February 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
225 ft
2 main spans
Daily traffic
7,200
2022 count
Owner
State
State Highway Agency

About this bridge

Lrd Cth N/6th Ave over Sth 11 is a prestressed concrete continuous stringer/multi-beam or girder carrying Lrd Cth N/6th Ave over Sth 11 in Green County, Wisconsin. It was built in 1997, so it is 28 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 7,200 vehicles a day, roughly 18% of them trucks, projected to reach 6,875 by 2040. The structure is 225 ft (68.7 m) long and 89 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLrd Cth N/6th Ave
CrossesSth 11
LocationCity of Monroe
RouteCity Street 0
Coordinates42.60534, -89.66493
Functional classUrban 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.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length225 ft (68.7 m)
Longest span120 ft (36.6 m)
Deck width89 ft (27.1 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2022)
Projected traffic6,875 by 2040
Trucks18%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lrd Cth N/6th Ave over Sth 11 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Lrd Cth N/6th Ave over Sth 11 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 February 2021.

How much traffic does Lrd Cth N/6th Ave over Sth 11 carry?

About 7,200 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is Lrd Cth N/6th Ave over Sth 11?

The structure is 225 ft (68.7 m) long with a longest span of 120 ft (36.6 m) and a deck 89 ft wide.

Who owns Lrd Cth N/6th Ave over Sth 11?

It is owned by the State Highway Agency.