US Bridges

Lrd E Grove ST over Oconomowoc River-W. Chan

Fair

Waukesha County, Wisconsin · 0.1M E JCT Oakwood Ave · Structure no. P67078700000000

Built
1917
108 years old, rebuilt 1997
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
42 ft
1 main span
Daily traffic
53
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd E Grove ST over Oconomowoc River-W. Chan is a concrete slab carrying Lrd E Grove ST over Oconomowoc River-W. Chan in Waukesha County, Wisconsin. It was built in 1917 and reconstructed in 1997, so it is 108 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 53 vehicles a day, projected to reach 58 by 2043. The structure is 42 ft (12.8 m) long and 22 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesLrd E Grove ST
CrossesOconomowoc River-W. Chan
Location0.1M E JCT Oakwood Ave
RouteCity Street 0
CountyWaukesha County
StateWisconsin
Coordinates43.11312, -88.48892
Functional classUrban 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
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating77.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (2022)
Projected traffic58 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 E Grove ST over Oconomowoc River-W. Chan built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1997.

What condition is Lrd E Grove ST over Oconomowoc River-W. Chan 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 June 2024.

How much traffic does Lrd E Grove ST over Oconomowoc River-W. Chan carry?

About 53 vehicles per day (2022 count).

How long is Lrd E Grove ST over Oconomowoc River-W. Chan?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 22 ft wide.

Who owns Lrd E Grove ST over Oconomowoc River-W. Chan?

It is owned by the City or Municipal Highway Agency.