US Bridges

Cth M over S Br Embarrass River

Poor

Shawano County, Wisconsin · 0.7M W JCT Cth G to N · Structure no. B58051900000000

Built
1939
86 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
1 main span
Daily traffic
603
2022 count
Owner
County
County Highway Agency

About this bridge

Cth M over S Br Embarrass River is a steel stringer/multi-beam or girder carrying Cth M over S Br Embarrass River in Shawano County, Wisconsin. It was built in 1939, so it is 86 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.

It carries about 603 vehicles a day, projected to reach 663 by 2042. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesCth M
CrossesS Br Embarrass River
Location0.7M W JCT Cth G to N
RouteCounty Highway 0M
Coordinates44.72222, -88.90556
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionSeptember 2023
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating45.2 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length76 ft (23.2 m)
Longest span71 ft (21.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic603 (2022)
Projected traffic663 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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$393,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth M over S Br Embarrass River built?

It was built in 1939, making it 86 years old in 2025.

What condition is Cth M over S Br Embarrass River 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 September 2023.

How much traffic does Cth M over S Br Embarrass River carry?

About 603 vehicles per day (2022 count).

How long is Cth M over S Br Embarrass River?

The structure is 76 ft (23.2 m) long with a longest span of 71 ft (21.6 m) and a deck 27 ft wide.

Who owns Cth M over S Br Embarrass River?

It is owned by the County Highway Agency.