US Bridges

Lrd N Humboldt Ave over Milwaukee River

Fair

Milwaukee County, Wisconsin · 0.4M N JCT Sth 32 · Structure no. B40072600000000

Built
2010
15 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
237 ft
2 main spans
Daily traffic
20,058
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd N Humboldt Ave over Milwaukee River is a prestressed concrete stringer/multi-beam or girder carrying Lrd N Humboldt Ave over Milwaukee River in Milwaukee County, Wisconsin. It was built in 2010, so it is 15 years old, younger 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 20,058 vehicles a day, roughly 4% of them trucks, projected to reach 14,105 by 2043. The structure is 237 ft (72.3 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesLrd N Humboldt Ave
CrossesMilwaukee River
Location0.4M N JCT Sth 32
RouteCity Street 0
CountyMilwaukee County
StateWisconsin
Coordinates43.05677, -87.89794
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length237 ft (72.3 m)
Longest span116 ft (35.4 m)
Deck width60 ft (18.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,058 (2023)
Projected traffic14,105 by 2043
Trucks4%
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 N Humboldt Ave over Milwaukee River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Lrd N Humboldt Ave over Milwaukee 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 September 2024.

How much traffic does Lrd N Humboldt Ave over Milwaukee River carry?

About 20,058 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Lrd N Humboldt Ave over Milwaukee River?

The structure is 237 ft (72.3 m) long with a longest span of 116 ft (35.4 m) and a deck 60 ft wide.

Who owns Lrd N Humboldt Ave over Milwaukee River?

It is owned by the City or Municipal Highway Agency.