US Bridges

Cth Oo over Hallie Marsh Outlet

Good

Chippewa County, Wisconsin · 0.8 M E Cth P · Structure no. B09028700000000

Built
2009
16 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
1,125
2023 count
Owner
County
County Highway Agency

About this bridge

Cth Oo over Hallie Marsh Outlet is a concrete slab carrying Cth Oo over Hallie Marsh Outlet in Chippewa County, Wisconsin. It was built in 2009, so it is 16 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 1,125 vehicles a day, roughly 11% of them trucks, projected to reach 1,189 by 2042. The structure is 34 ft (10.5 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth Oo
CrossesHallie Marsh Outlet
Location0.8 M E Cth P
RouteCounty Highway 0OO
Coordinates44.88633, -91.37147
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length34 ft (10.5 m)
Longest span32 ft (9.8 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,125 (2023)
Projected traffic1,189 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 over Hallie Marsh Outlet built?

It was built in 2009, making it 16 years old in 2025.

What condition is Cth Oo over Hallie Marsh Outlet 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 October 2023.

How much traffic does Cth Oo over Hallie Marsh Outlet carry?

About 1,125 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Cth Oo over Hallie Marsh Outlet?

The structure is 34 ft (10.5 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.

Who owns Cth Oo over Hallie Marsh Outlet?

It is owned by the County Highway Agency.