US Bridges

Lrd Town Line RD over Rock River

Good

Rock County, Wisconsin · 0.1M W JCT Ush 51 · Structure no. B53018500000000

Built
1995
30 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
307 ft
4 main spans
Daily traffic
2,089
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Town Line RD over Rock River is a prestressed concrete continuous stringer/multi-beam or girder carrying Lrd Town Line RD over Rock River in Rock County, Wisconsin. It was built in 1995, so it is 30 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,089 vehicles a day, roughly 8% of them trucks, projected to reach 2,187 by 2043. The structure is 307 ft (93.7 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLrd Town Line RD
CrossesRock River
Location0.1M W JCT Ush 51
RouteCity Street 0
Coordinates42.58431, -89.02214
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length307 ft (93.7 m)
Longest span85 ft (25.9 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,089 (2024)
Projected traffic2,187 by 2043
Trucks8%
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 Town Line RD over Rock River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Lrd Town Line RD over Rock 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 September 2024.

How much traffic does Lrd Town Line RD over Rock River carry?

About 2,089 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Lrd Town Line RD over Rock River?

The structure is 307 ft (93.7 m) long with a longest span of 85 ft (25.9 m) and a deck 46 ft wide.

Who owns Lrd Town Line RD over Rock River?

It is owned by the Town or Township Highway Agency.