US Bridges

Cp Road over Middle Br of Escanaba Ri

Good

Marquette County, Michigan · 0.1 MI S of US41 · Structure no. 000000000006575

Built
2016
9 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
120
2015 count
Owner
County
County Highway Agency

About this bridge

Cp Road over Middle Br of Escanaba Ri is a prestressed concrete box beam or girders - multiple carrying Cp Road over Middle Br of Escanaba Ri in Marquette County, Michigan. It was built in 2016, so it is 9 years old, younger than the Michigan average of 48.3 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 120 vehicles a day, roughly 1% of them trucks, projected to reach 145 by 2035. The structure is 70 ft (21.3 m) long and 31 ft wide. If it were closed, the detour would be 124.3 mi (200 km).

CarriesCp Road
CrossesMiddle Br of Escanaba Ri
Location0.1 MI S of US41
RouteCounty Highway 0
Coordinates46.48957, -87.85792
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.7 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length70 ft (21.3 m)
Longest span68 ft (20.7 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2015)
Projected traffic145 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.3 mi (200 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$124,000 (2050 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cp Road over Middle Br of Escanaba Ri built?

It was built in 2016, making it 9 years old in 2025.

What condition is Cp Road over Middle Br of Escanaba Ri 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 2024.

How much traffic does Cp Road over Middle Br of Escanaba Ri carry?

About 120 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Cp Road over Middle Br of Escanaba Ri?

The structure is 70 ft (21.3 m) long with a longest span of 68 ft (20.7 m) and a deck 31 ft wide.

Who owns Cp Road over Middle Br of Escanaba Ri?

It is owned by the County Highway Agency.