US Bridges

Lrd S 124th ST over Root River

Fair

Milwaukee County, Wisconsin · 1.5M S JCT Sth 59 · Structure no. B40059300000000

Built
1991
34 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
7,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd S 124th ST over Root River is a concrete continuous culvert carrying Lrd S 124th ST over Root River in Milwaukee County, Wisconsin. It was built in 1991, so it is 34 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 7,500 vehicles a day, projected to reach 9,761 by 2043. The structure is 30 ft (9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLrd S 124th ST
CrossesRoot River
Location1.5M S JCT Sth 59
RouteCity Street 0
CountyMilwaukee County
StateWisconsin
Coordinates42.99354, -88.0681
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length30 ft (9 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2022)
Projected traffic9,761 by 2043
Trucks0%
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 124th ST over Root River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Lrd S 124th ST over Root 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 August 2024.

How much traffic does Lrd S 124th ST over Root River carry?

About 7,500 vehicles per day (2022 count).

How long is Lrd S 124th ST over Root River?

The structure is 30 ft (9 m) long with a longest span of 9 ft (2.7 m).

Who owns Lrd S 124th ST over Root River?

It is owned by the City or Municipal Highway Agency.