US Bridges

Call Road over Clam River

Good

Missaukee County, Michigan · Section 5/6 T21N R7W · Structure no. 000000000007063

Built
1986
39 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
180
2007 count
Owner
County
County Highway Agency

About this bridge

Call Road over Clam River is a prestressed concrete box beam or girders - multiple carrying Call Road over Clam River in Missaukee County, Michigan. It was built in 1986, so it is 39 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 180 vehicles a day, roughly 10% of them trucks, projected to reach 320 by 2027. The structure is 80 ft (24.3 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCall Road
CrossesClam River
LocationSection 5/6 T21N R7W
RouteCounty Highway 0
Coordinates44.24147, -85.19456
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.2 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length80 ft (24.3 m)
Longest span80 ft (24.3 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2007)
Projected traffic320 by 2027
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Call Road over Clam River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Call Road over Clam 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 May 2023.

How much traffic does Call Road over Clam River carry?

About 180 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is Call Road over Clam River?

The structure is 80 ft (24.3 m) long with a longest span of 80 ft (24.3 m) and a deck 31 ft wide.

Who owns Call Road over Clam River?

It is owned by the County Highway Agency.