US Bridges

Moore Road over S Br Cass River I/C Drn

Fair

Sanilac County, Michigan · Sec 31 Moore Twp · Structure no. 000000000009642

Built
1930
95 years old, rebuilt 1982
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
150
2016 count
Owner
County
County Highway Agency

About this bridge

Moore Road over S Br Cass River I/C Drn is a steel stringer/multi-beam or girder carrying Moore Road over S Br Cass River I/C Drn in Sanilac County, Michigan. It was built in 1930 and reconstructed in 1982, so it is 95 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 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 270 by 2036. The structure is 63 ft (19.2 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMoore Road
CrossesS Br Cass River I/C Drn
LocationSec 31 Moore Twp
RouteCounty Highway 0
CountySanilac County
StateMichigan
Coordinates43.42441, -82.97582
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.7 US tons
Inventory rating47.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length63 ft (19.2 m)
Longest span61 ft (18.7 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2016)
Projected traffic270 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$11,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Moore Road over S Br Cass River I/C Drn built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1982.

What condition is Moore 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 Moore Road over S Br Cass River I/C Drn carry?

About 150 vehicles per day (2016 count), of which roughly 10% are trucks.

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

The structure is 63 ft (19.2 m) long with a longest span of 61 ft (18.7 m) and a deck 26 ft wide.

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

It is owned by the County Highway Agency.