US Bridges

Lrd S 6th ST over Kinnickinnic River

Fair

Milwaukee County, Wisconsin · 1.7M S JCT Sth 59 · Structure no. B40074300000000

Built
2010
15 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
106 ft
1 main span
Daily traffic
9,978
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd S 6th ST over Kinnickinnic River is a prestressed concrete stringer/multi-beam or girder carrying Lrd S 6th ST over Kinnickinnic 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 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 9,978 vehicles a day, roughly 4% of them trucks, projected to reach 11,160 by 2041. The structure is 106 ft (32.2 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLrd S 6th ST
CrossesKinnickinnic River
Location1.7M S JCT Sth 59
RouteCity Street 0
Coordinates42.99607, -87.9188
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
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 inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating53.6 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length106 ft (32.2 m)
Longest span100 ft (30.5 m)
Deck width58 ft (17.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,978 (2022)
Projected traffic11,160 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 6th ST over Kinnickinnic River built?

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

What condition is Lrd S 6th 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 June 2024.

How much traffic does Lrd S 6th ST over Kinnickinnic River carry?

About 9,978 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Lrd S 6th ST over Kinnickinnic River?

The structure is 106 ft (32.2 m) long with a longest span of 100 ft (30.5 m) and a deck 58 ft wide.

Who owns Lrd S 6th ST over Kinnickinnic River?

It is owned by the City or Municipal Highway Agency.