US Bridges

Lrd S 37th ST over Root River Branch

Poor

Milwaukee County, Wisconsin · 0.1 MI N JCT W Kimberly a · Structure no. B40110900000000

Built
1974
51 years old
Condition
Poor
inspected February 2025
Type
Culvert
Other
Length
27 ft
5 main spans
Daily traffic
99
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd S 37th ST over Root River Branch is a other culvert carrying Lrd S 37th ST over Root River Branch in Milwaukee County, Wisconsin. It was built in 1974, so it is 51 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 99 vehicles a day. The structure is 27 ft (8.2 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd S 37th ST
CrossesRoot River Branch
Location0.1 MI N JCT W Kimberly a
RouteCity Street 0
Coordinates42.93506, -87.96224
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialOther
DeckNot applicable
Main spans5
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span4 ft (1.1 m)
Deck width46 ft (14 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2022)
Projected traffic—
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$181,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd S 37th ST over Root River Branch built?

It was built in 1974, making it 51 years old in 2025.

What condition is Lrd S 37th ST over Root River Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does Lrd S 37th ST over Root River Branch carry?

About 99 vehicles per day (2022 count).

How long is Lrd S 37th ST over Root River Branch?

The structure is 27 ft (8.2 m) long with a longest span of 4 ft (1.1 m) and a deck 46 ft wide.

Who owns Lrd S 37th ST over Root River Branch?

It is owned by the City or Municipal Highway Agency.