US Bridges

Sth 11 over Lrd Rockport RD

Good

Rock County, Wisconsin · 1.0M N JCT Hanover Road · Structure no. B53020600000000

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
119 ft
1 main span
Daily traffic
2,800
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 11 over Lrd Rockport RD is a prestressed concrete stringer/multi-beam or girder carrying Sth 11 over Lrd Rockport RD in Rock County, Wisconsin. It was built in 2002, so it is 23 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 2,800 vehicles a day, roughly 4% of them trucks, projected to reach 7,390 by 2043. The structure is 119 ft (36.3 m) long and 46 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSth 11
CrossesLrd Rockport RD
Location1.0M N JCT Hanover Road
RouteState Highway 11
Coordinates42.67201, -89.08036
Functional classRural Principal Arterial - Other

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 inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.6 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span115 ft (35 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2022)
Projected traffic7,390 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

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 Sth 11 over Lrd Rockport RD built?

It was built in 2002, making it 23 years old in 2025.

What condition is Sth 11 over Lrd Rockport RD 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 July 2024.

How much traffic does Sth 11 over Lrd Rockport RD carry?

About 2,800 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Sth 11 over Lrd Rockport RD?

The structure is 119 ft (36.3 m) long with a longest span of 115 ft (35 m) and a deck 46 ft wide.

Who owns Sth 11 over Lrd Rockport RD?

It is owned by the State Highway Agency.