US Bridges

River Street over Clam River

Good

Wexford County, Michigan · In Cadillac · Structure no. 000000000012591

Built
2005
20 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
3,400
2004 count
Owner
City
City or Municipal Highway Agency

About this bridge

River Street over Clam River is a prestressed concrete box beam or girders - multiple carrying River Street over Clam River in Wexford County, Michigan. It was built in 2005, so it is 20 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 3,400 vehicles a day, roughly 5% of them trucks, projected to reach 6,100 by 2024. The structure is 37 ft (11.3 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRiver Street
CrossesClam River
LocationIn Cadillac
RouteCity Street 2031
Coordinates44.25623, -85.40597
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.3 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span33 ft (10.1 m)
Deck width47 ft (14.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2004)
Projected traffic6,100 by 2024
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 River Street over Clam River built?

It was built in 2005, making it 20 years old in 2025.

What condition is River Street 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 April 2023.

How much traffic does River Street over Clam River carry?

About 3,400 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is River Street over Clam River?

The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 47 ft wide.

Who owns River Street over Clam River?

It is owned by the City or Municipal Highway Agency.