US Bridges

Cth RR over Menominee River

Fair

Marinette County, Wisconsin · 5.3M N JCT Sth 180 · Structure no. B38004600000000

Built
1991
34 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
348 ft
3 main spans
Daily traffic
331
2024 count
Owner
County
County Highway Agency

About this bridge

Cth RR over Menominee River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth RR over Menominee River in Marinette County, Wisconsin. It was built in 1991, so it is 34 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 331 vehicles a day, projected to reach 364 by 2043. The structure is 348 ft (106.1 m) long and 26 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesCth RR
CrossesMenominee River
Location5.3M N JCT Sth 180
RouteCounty Highway 0RR
CountyMarinette County
StateWisconsin
Coordinates45.38661, -87.70131
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length348 ft (106.1 m)
Longest span115 ft (35.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic331 (2024)
Projected traffic364 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 RR over Menominee River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Cth RR over Menominee River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Cth RR over Menominee River carry?

About 331 vehicles per day (2024 count).

How long is Cth RR over Menominee River?

The structure is 348 ft (106.1 m) long with a longest span of 115 ft (35.1 m) and a deck 26 ft wide.

Who owns Cth RR over Menominee River?

It is owned by the County Highway Agency.