US Bridges

Cth Oo (w Forest over Br of Root River

Good

Milwaukee County, Wisconsin · 0.1M W JCT Sth 100 · Structure no. B40070500000000

Built
2005
20 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
40 ft
1 main span
Daily traffic
14,900
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Oo (w Forest over Br of Root River is a concrete slab carrying Cth Oo (w Forest over Br of Root River in Milwaukee County, Wisconsin. It was built in 2005, so it is 20 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,900 vehicles a day, roughly 5% of them trucks, projected to reach 16,545 by 2043. The structure is 40 ft (12.3 m) long and 113 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth Oo (w Forest
CrossesBr of Root River
Location0.1M W JCT Sth 100
RouteCounty Highway 0OO
Coordinates42.93511, -88.04947
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span38 ft (11.6 m)
Deck width113 ft (34.3 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,900 (2022)
Projected traffic16,545 by 2043
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Oo (w Forest over Br of Root River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Cth Oo (w Forest over Br of 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 June 2024.

How much traffic does Cth Oo (w Forest over Br of Root River carry?

About 14,900 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Cth Oo (w Forest over Br of Root River?

The structure is 40 ft (12.3 m) long with a longest span of 38 ft (11.6 m) and a deck 113 ft wide.

Who owns Cth Oo (w Forest over Br of Root River?

It is owned by the County Highway Agency.