US Bridges

Lrd S 29th ST over Kinnickinnic River

Fair

Milwaukee County, Wisconsin · 0.5M S JCT Sth 24 · Structure no. P40063000000000

Built
1961
64 years old, rebuilt 2007
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
159 ft
3 main spans
Daily traffic
1,239
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd S 29th ST over Kinnickinnic River is a steel continuous stringer/multi-beam or girder carrying Lrd S 29th ST over Kinnickinnic River in Milwaukee County, Wisconsin. It was built in 1961 and reconstructed in 2007, so it is 64 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 1,239 vehicles a day, projected to reach 991 by 2043. The structure is 159 ft (48.5 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd S 29th ST
CrossesKinnickinnic River
Location0.5M S JCT Sth 24
RouteCity Street 0
Coordinates42.99156, -87.95056
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 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
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

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span60 ft (18.3 m)
Deck width48 ft (14.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,239 (2023)
Projected traffic991 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 29th ST over Kinnickinnic River built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2007.

What condition is Lrd S 29th 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 29th ST over Kinnickinnic River carry?

About 1,239 vehicles per day (2023 count).

How long is Lrd S 29th ST over Kinnickinnic River?

The structure is 159 ft (48.5 m) long with a longest span of 60 ft (18.3 m) and a deck 48 ft wide.

Who owns Lrd S 29th ST over Kinnickinnic River?

It is owned by the City or Municipal Highway Agency.