US Bridges

Lrd W Racine ST over Rock River

Fair

Rock County, Wisconsin · 0.9M E JCT Ush 51 · Structure no. B53004900000000

Built
1949
76 years old, rebuilt 1994
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
281 ft
4 main spans
Daily traffic
6,600
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd W Racine ST over Rock River is a steel continuous stringer/multi-beam or girder carrying Lrd W Racine ST over Rock River in Rock County, Wisconsin. It was built in 1949 and reconstructed in 1994, so it is 76 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 5 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 6,600 vehicles a day, roughly 12% of them trucks, projected to reach 5,975 by 2043. The structure is 281 ft (85.8 m) long and 50 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesLrd W Racine ST
CrossesRock River
Location0.9M E JCT Ush 51
RouteCity Street 0
CountyRock County
StateWisconsin
Coordinates42.6761, -89.01834
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length281 ft (85.8 m)
Longest span77 ft (23.5 m)
Deck width50 ft (15.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2022)
Projected traffic5,975 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 W Racine ST over Rock River built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1994.

What condition is Lrd W Racine ST over Rock 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 August 2024.

How much traffic does Lrd W Racine ST over Rock River carry?

About 6,600 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Lrd W Racine ST over Rock River?

The structure is 281 ft (85.8 m) long with a longest span of 77 ft (23.5 m) and a deck 50 ft wide.

Who owns Lrd W Racine ST over Rock River?

It is owned by the City or Municipal Highway Agency.