US Bridges

Lrd Main ST over Bark River

Fair

Waukesha County, Wisconsin · 0.6M N JCT Cth Z · Structure no. P67070000000000

Built
1964
61 years old, rebuilt 1988
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
4,600
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Main ST over Bark River is a concrete slab carrying Lrd Main ST over Bark River in Waukesha County, Wisconsin. It was built in 1964 and reconstructed in 1988, so it is 61 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 6 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 4,600 vehicles a day, projected to reach 5,520 by 2042. The structure is 38 ft (11.7 m) long and 40 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesLrd Main ST
CrossesBark River
Location0.6M N JCT Cth Z
RouteCity Street 0
CountyWaukesha County
StateWisconsin
Coordinates43.01952, -88.47248
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.7 m)
Longest span36 ft (11 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2022)
Projected traffic5,520 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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 Main ST over Bark River built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1988.

What condition is Lrd Main ST over Bark 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 January 2025.

How much traffic does Lrd Main ST over Bark River carry?

About 4,600 vehicles per day (2022 count).

How long is Lrd Main ST over Bark River?

The structure is 38 ft (11.7 m) long with a longest span of 36 ft (11 m) and a deck 40 ft wide.

Who owns Lrd Main ST over Bark River?

It is owned by the City or Municipal Highway Agency.