US Bridges

Hd Rd(forestville) over Dead River

Good

Marquette County, Michigan · 2 MI N of JCT US41 CO492 · Structure no. 000000000006593

Built
2012
13 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
378
2010 count
Owner
County
County Highway Agency

About this bridge

Hd Rd(forestville) over Dead River is a prestressed concrete box beam or girders - multiple carrying Hd Rd(forestville) over Dead River in Marquette County, Michigan. It was built in 2012, so it is 13 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 378 vehicles a day, roughly 8% of them trucks, projected to reach 560 by 2030. The structure is 100 ft (30.5 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesHd Rd(forestville)
CrossesDead River
Location2 MI N of JCT US41 CO492
RouteCounty Highway 0
Coordinates46.57368, -87.46968
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.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20 + Mod
Structure length100 ft (30.5 m)
Longest span98 ft (29.9 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic378 (2010)
Projected traffic560 by 2030
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hd Rd(forestville) over Dead River built?

It was built in 2012, making it 13 years old in 2025.

What condition is Hd Rd(forestville) over Dead River 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 Hd Rd(forestville) over Dead River carry?

About 378 vehicles per day (2010 count), of which roughly 8% are trucks.

How long is Hd Rd(forestville) over Dead River?

The structure is 100 ft (30.5 m) long with a longest span of 98 ft (29.9 m) and a deck 28 ft wide.

Who owns Hd Rd(forestville) over Dead River?

It is owned by the County Highway Agency.