US Bridges

Cth U S 76 Street over Br Root River

Good

Milwaukee County, Wisconsin · 1.0M S JCT Sth 100 · Structure no. B40003200000000

Built
1999
26 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
4,000
2021 count
Owner
County
County Highway Agency

About this bridge

Cth U S 76 Street over Br Root River is a concrete continuous culvert carrying Cth U S 76 Street over Br Root River in Milwaukee County, Wisconsin. It was built in 1999, so it is 26 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,000 vehicles a day, roughly 4% of them trucks, projected to reach 3,029 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCth U S 76 Street
CrossesBr Root River
Location1.0M S JCT Sth 100
RouteCounty Highway 0U
Coordinates42.85805, -88.01054
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
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 spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2021)
Projected traffic3,029 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth U S 76 Street over Br Root River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Cth U S 76 Street over Br Root River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Cth U S 76 Street over Br Root River carry?

About 4,000 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Cth U S 76 Street over Br Root River?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Cth U S 76 Street over Br Root River?

It is owned by the County Highway Agency.