US Bridges

Nicol Road over Black River I/C Drain

Good

Sanilac County, Michigan · Sec 1-12 Custer Twp · Structure no. 000000000009585

Built
2005
20 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
79 ft
2 main spans
Daily traffic
170
2010 count
Owner
County
County Highway Agency

About this bridge

Nicol Road over Black River I/C Drain is a prestressed concrete box beam or girders - multiple carrying Nicol Road over Black River I/C Drain in Sanilac County, Michigan. It was built in 2005, so it is 20 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 170 vehicles a day, roughly 5% of them trucks, projected to reach 305 by 2030. The structure is 79 ft (24.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNicol Road
CrossesBlack River I/C Drain
LocationSec 1-12 Custer Twp
RouteCounty Highway 0
Coordinates43.49613, -82.76147
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span38 ft (11.6 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2010)
Projected traffic305 by 2030
Trucks5%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nicol Road over Black River I/C Drain built?

It was built in 2005, making it 20 years old in 2025.

What condition is Nicol Road over Black River I/C Drain 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 July 2024.

How much traffic does Nicol Road over Black River I/C Drain carry?

About 170 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Nicol Road over Black River I/C Drain?

The structure is 79 ft (24.1 m) long with a longest span of 38 ft (11.6 m) and a deck 31 ft wide.

Who owns Nicol Road over Black River I/C Drain?

It is owned by the County Highway Agency.