US Bridges

Cth M over Chippewa River 19

PoorPosted for load

Chippewa County, Wisconsin · 0.5 M W Sth 27 · Structure no. B09000300000000

Built
1950
75 years old
Condition
Poor
inspected August 2024
Type
Truss - Thru
Steel Continuous
Length
798 ft
6 main spans
Daily traffic
1,070
2023 count
Owner
County
County Highway Agency

About this bridge

Cth M over Chippewa River 19 is a steel continuous truss - thru carrying Cth M over Chippewa River 19 in Chippewa County, Wisconsin. It was built in 1950, so it is 75 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 4 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. Its operating status is: posted for load restriction.

It carries about 1,070 vehicles a day, projected to reach 1,130 by 2043. The structure is 798 ft (243.2 m) long and 28 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

CarriesCth M
CrossesChippewa River 19
Location0.5 M W Sth 27
RouteCounty Highway 0M
Coordinates45.22767, -91.1225
Functional classRural Major Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.8 US tons
Inventory rating12.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length798 ft (243.2 m)
Longest span133 ft (40.5 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,070 (2023)
Projected traffic1,130 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed15.5 mi (25 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth M over Chippewa River 19 built?

It was built in 1950, making it 75 years old in 2025.

What condition is Cth M over Chippewa River 19 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 August 2024.

How much traffic does Cth M over Chippewa River 19 carry?

About 1,070 vehicles per day (2023 count).

How long is Cth M over Chippewa River 19?

The structure is 798 ft (243.2 m) long with a longest span of 133 ft (40.5 m) and a deck 28 ft wide.

Who owns Cth M over Chippewa River 19?

It is owned by the County Highway Agency.