US Bridges

Ridgeville RD over Blanchard Drain

Fair

Lenawee County, Michigan · 0.2 MI W of Ingall HWY · Structure no. 000000000005662

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Slab
Wood or Timber
Length
45 ft
2 main spans
Daily traffic
38
2012 count
Owner
County
County Highway Agency

About this bridge

Ridgeville RD over Blanchard Drain is a wood or timber slab carrying Ridgeville RD over Blanchard Drain in Lenawee County, Michigan. It was built in 1980, so it is 45 years old, younger 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 38 vehicles a day, projected to reach 110 by 2031. The structure is 45 ft (13.7 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRidgeville RD
CrossesBlanchard Drain
Location0.2 MI W of Ingall HWY
RouteCounty Highway 0
CountyLenawee County
StateMichigan
Coordinates41.75195, -84.29523
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.4 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span22 ft (6.7 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2012)
Projected traffic110 by 2031
Trucks0%
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 Ridgeville RD over Blanchard Drain built?

It was built in 1980, making it 45 years old in 2025.

What condition is Ridgeville RD over Blanchard 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 August 2024.

How much traffic does Ridgeville RD over Blanchard Drain carry?

About 38 vehicles per day (2012 count).

How long is Ridgeville RD over Blanchard Drain?

The structure is 45 ft (13.7 m) long with a longest span of 22 ft (6.7 m) and a deck 20 ft wide.

Who owns Ridgeville RD over Blanchard Drain?

It is owned by the County Highway Agency.