US Bridges

Berkshire Road over Berry Drain

Fair

Sanilac County, Michigan · Sec 25-26 Custer Twp · Structure no. 000000000009588

Built
1945
80 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
200
2010 count
Owner
County
County Highway Agency

About this bridge

Berkshire Road over Berry Drain is a steel stringer/multi-beam or girder carrying Berkshire Road over Berry Drain in Sanilac County, Michigan. It was built in 1945, so it is 80 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 360 by 2030. The structure is 26 ft (8 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesBerkshire Road
CrossesBerry Drain
LocationSec 25-26 Custer Twp
RouteCounty Highway 0
CountySanilac County
StateMichigan
Coordinates43.44115, -82.77142
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating68.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length26 ft (8 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2010)
Projected traffic360 by 2030
Trucks10%
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 Berkshire Road over Berry Drain built?

It was built in 1945, making it 80 years old in 2025.

What condition is Berkshire Road over Berry Drain in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Berkshire Road over Berry Drain carry?

About 200 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Berkshire Road over Berry Drain?

The structure is 26 ft (8 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns Berkshire Road over Berry Drain?

It is owned by the County Highway Agency.