US Bridges

Sth 36-LOOMIS RD over Root River

Fair

Milwaukee County, Wisconsin · 3.3 MI N JCT Sth 100 · Structure no. B40038700000000

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
134 ft
3 main spans
Daily traffic
15,500
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 36-LOOMIS RD over Root River is a concrete continuous slab carrying Sth 36-LOOMIS RD over Root River in Milwaukee County, Wisconsin. It was built in 1968, so it is 57 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 5 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 15,500 vehicles a day, roughly 3% of them trucks, projected to reach 18,600 by 2041. The structure is 134 ft (40.8 m) long and 130 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSth 36-LOOMIS RD
CrossesRoot River
Location3.3 MI N JCT Sth 100
RouteState Highway 36
CountyMilwaukee County
StateWisconsin
Coordinates42.92611, -87.99705
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span53 ft (16.2 m)
Deck width130 ft (39.6 m)
Roadway width114 ft (34.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2021)
Projected traffic18,600 by 2041
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Sth 36-LOOMIS RD over Root River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Sth 36-LOOMIS RD 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 October 2024.

How much traffic does Sth 36-LOOMIS RD over Root River carry?

About 15,500 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Sth 36-LOOMIS RD over Root River?

The structure is 134 ft (40.8 m) long with a longest span of 53 ft (16.2 m) and a deck 130 ft wide.

Who owns Sth 36-LOOMIS RD over Root River?

It is owned by the State Highway Agency.