US Bridges

Canandaigua RD over Bear Creek

Good

Lenawee County, Michigan · 0.25 MI East of M-156 · Structure no. 000000000005562

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Slab
Wood or Timber
Length
32 ft
1 main span
Daily traffic
190
2010 count
Owner
County
County Highway Agency

About this bridge

Canandaigua RD over Bear Creek is a wood or timber slab carrying Canandaigua RD over Bear Creek in Lenawee County, Michigan. It was built in 2006, so it is 19 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 190 vehicles a day, roughly 2% of them trucks, projected to reach 700 by 2031. The structure is 32 ft (9.8 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCanandaigua RD
CrossesBear Creek
Location0.25 MI East of M-156
RouteCounty Highway 4624
Coordinates41.80007, -84.23033
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.1 US tons
Inventory rating46.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2010)
Projected traffic700 by 2031
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Canandaigua RD over Bear Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Canandaigua RD over Bear Creek 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 Canandaigua RD over Bear Creek carry?

About 190 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is Canandaigua RD over Bear Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns Canandaigua RD over Bear Creek?

It is owned by the County Highway Agency.