US Bridges

Arnold Road over S Br Cass River I/C Drn

Fair

Sanilac County, Michigan · Sec 7 Moore Twp · Structure no. 000000000009644

Built
1988
37 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
225
2016 count
Owner
County
County Highway Agency

About this bridge

Arnold Road over S Br Cass River I/C Drn is a prestressed concrete box beam or girders - multiple carrying Arnold Road over S Br Cass River I/C Drn in Sanilac County, Michigan. It was built in 1988, so it is 37 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 225 vehicles a day, roughly 10% of them trucks, projected to reach 405 by 2036. The structure is 94 ft (28.7 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesArnold Road
CrossesS Br Cass River I/C Drn
LocationSec 7 Moore Twp
RouteCounty Highway 0
CountySanilac County
StateMichigan
Coordinates43.48528, -82.99182
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span92 ft (28.1 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2016)
Projected traffic405 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Arnold Road over S Br Cass River I/C Drn built?

It was built in 1988, making it 37 years old in 2025.

What condition is Arnold Road over S Br Cass River I/C Drn 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 April 2024.

How much traffic does Arnold Road over S Br Cass River I/C Drn carry?

About 225 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Arnold Road over S Br Cass River I/C Drn?

The structure is 94 ft (28.7 m) long with a longest span of 92 ft (28.1 m) and a deck 31 ft wide.

Who owns Arnold Road over S Br Cass River I/C Drn?

It is owned by the County Highway Agency.