US Bridges

Leslie Road over S Br Cass River I/C Drn

Fair

Sanilac County, Michigan · Sec 34-35 Evergreen Twp · Structure no. 000000000009612

Built
1991
34 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
115
2010 count
Owner
County
County Highway Agency

About this bridge

Leslie Road over S Br Cass River I/C Drn is a prestressed concrete box beam or girders - multiple carrying Leslie Road over S Br Cass River I/C Drn in Sanilac County, Michigan. It was built in 1991, so it is 34 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 115 vehicles a day, projected to reach 210 by 2030. The structure is 90 ft (27.4 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLeslie Road
CrossesS Br Cass River I/C Drn
LocationSec 34-35 Evergreen Twp
RouteCounty Highway 0
CountySanilac County
StateMichigan
Coordinates43.508, -83.0327
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span88 ft (26.9 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2010)
Projected traffic210 by 2030
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 Leslie Road over S Br Cass River I/C Drn built?

It was built in 1991, making it 34 years old in 2025.

What condition is Leslie 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 June 2024.

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

About 115 vehicles per day (2010 count).

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

The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.9 m) and a deck 31 ft wide.

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

It is owned by the County Highway Agency.