US Bridges

Chambers Road over Cass River

Good

Tuscola County, Michigan · Sec 20 Indianfields Twp · Structure no. 000000000010507

Built
2009
16 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
201 ft
3 main spans
Daily traffic
3,900
2006 count
Owner
County
County Highway Agency

About this bridge

Chambers Road over Cass River is a prestressed concrete box beam or girders - multiple carrying Chambers Road over Cass River in Tuscola County, Michigan. It was built in 2009, so it is 16 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 3,900 vehicles a day, roughly 2% of them trucks, projected to reach 7,000 by 2026. The structure is 201 ft (61.3 m) long and 44 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesChambers Road
CrossesCass River
LocationSec 20 Indianfields Twp
RouteCounty Highway 7943
Coordinates43.45021, -83.44101
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating83.6 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length201 ft (61.3 m)
Longest span67 ft (20.4 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2006)
Projected traffic7,000 by 2026
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Chambers Road over Cass River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Chambers Road over Cass 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 June 2023.

How much traffic does Chambers Road over Cass River carry?

About 3,900 vehicles per day (2006 count), of which roughly 2% are trucks.

How long is Chambers Road over Cass River?

The structure is 201 ft (61.3 m) long with a longest span of 67 ft (20.4 m) and a deck 44 ft wide.

Who owns Chambers Road over Cass River?

It is owned by the County Highway Agency.