US Bridges

Lrd S 1st ST over Kinnickinnic River

Fair

Milwaukee County, Wisconsin · 0.3M S JCT Sth 32 · Structure no. P40083000000000

Built
1958
67 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
190 ft
1 main span
Daily traffic
5,984
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd S 1st ST over Kinnickinnic River is a steel continuous stringer/multi-beam or girder carrying Lrd S 1st ST over Kinnickinnic River in Milwaukee County, Wisconsin. It was built in 1958, so it is 67 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 5,984 vehicles a day, projected to reach 8,527 by 2043. The structure is 190 ft (57.9 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesLrd S 1st ST
CrossesKinnickinnic River
Location0.3M S JCT Sth 32
RouteCity Street 0
CountyMilwaukee County
StateWisconsin
Coordinates43.00809, -87.91109
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckOpen grating
Main spans1 (+1 approach)
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span91 ft (27.7 m)
Deck width61 ft (18.6 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,984 (2023)
Projected traffic8,527 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 S 1st ST over Kinnickinnic River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Lrd S 1st ST over Kinnickinnic 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 May 2024.

How much traffic does Lrd S 1st ST over Kinnickinnic River carry?

About 5,984 vehicles per day (2023 count).

How long is Lrd S 1st ST over Kinnickinnic River?

The structure is 190 ft (57.9 m) long with a longest span of 91 ft (27.7 m) and a deck 61 ft wide.

Who owns Lrd S 1st ST over Kinnickinnic River?

It is owned by the City or Municipal Highway Agency.