US Bridges

Ridgeville RD over Nile Drain

Fair

Lenawee County, Michigan · 0.2 MI W of Arnold HWY · Structure no. 000000000005632

Built
1987
38 years old
Condition
Fair
inspected December 2023
Type
Slab
Wood or Timber
Length
44 ft
2 main spans
Daily traffic
42
2010 count
Owner
County
County Highway Agency

About this bridge

Ridgeville RD over Nile Drain is a wood or timber slab carrying Ridgeville RD over Nile Drain in Lenawee County, Michigan. It was built in 1987, so it is 38 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 5 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 42 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2031. The structure is 44 ft (13.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRidgeville RD
CrossesNile Drain
Location0.2 MI W of Arnold HWY
RouteCounty Highway 0
CountyLenawee County
StateMichigan
Coordinates41.75703, -84.02696
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.2 US tons
Inventory rating44.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span22 ft (6.7 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2010)
Projected traffic200 by 2031
Trucks1%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ridgeville RD over Nile Drain built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ridgeville RD over Nile 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 December 2023.

How much traffic does Ridgeville RD over Nile Drain carry?

About 42 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Ridgeville RD over Nile Drain?

The structure is 44 ft (13.4 m) long with a longest span of 22 ft (6.7 m) and a deck 25 ft wide.

Who owns Ridgeville RD over Nile Drain?

It is owned by the County Highway Agency.