US Bridges

Ch Road over Middle Br of Escanaba Ri

Good

Marquette County, Michigan · 2.8 MI W of 581 Highway · Structure no. 000000000006576

Built
2013
12 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
93
2012 count
Owner
County
County Highway Agency

About this bridge

Ch Road over Middle Br of Escanaba Ri is a prestressed concrete box beam or girders - multiple carrying Ch Road over Middle Br of Escanaba Ri in Marquette County, Michigan. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 93 vehicles a day, projected to reach 112 by 2032. The structure is 64 ft (19.5 m) long and 28 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesCh Road
CrossesMiddle Br of Escanaba Ri
Location2.8 MI W of 581 Highway
RouteCounty Highway 0
CountyMarquette County
StateMichigan
Coordinates46.42031, -87.79786
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length64 ft (19.5 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93 (2012)
Projected traffic112 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 Ch Road over Middle Br of Escanaba Ri built?

It was built in 2013, making it 12 years old in 2025.

What condition is Ch 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 November 2023.

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

About 93 vehicles per day (2012 count).

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

The structure is 64 ft (19.5 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Ch Road over Middle Br of Escanaba Ri?

It is owned by the County Highway Agency.