US Bridges

Eberhart Road over South Br Tobacco River

Fair

Clare County, Michigan · Sec 36 Grant Twp · Structure no. 000000000001759

Built
1993
32 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
1,380
2006 count
Owner
County
County Highway Agency

About this bridge

Eberhart Road over South Br Tobacco River is a prestressed concrete box beam or girders - multiple carrying Eberhart Road over South Br Tobacco River in Clare County, Michigan. It was built in 1993, so it is 32 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 1,380 vehicles a day, projected to reach 2,500 by 2026. The structure is 60 ft (18.2 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesEberhart Road
CrossesSouth Br Tobacco River
LocationSec 36 Grant Twp
RouteCounty Highway 0
Coordinates43.8289, -84.74836
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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.8 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.2 m)
Longest span56 ft (17 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,380 (2006)
Projected traffic2,500 by 2026
Trucks0%
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 Eberhart Road over South Br Tobacco River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Eberhart Road over South Br Tobacco River 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 July 2024.

How much traffic does Eberhart Road over South Br Tobacco River carry?

About 1,380 vehicles per day (2006 count).

How long is Eberhart Road over South Br Tobacco River?

The structure is 60 ft (18.2 m) long with a longest span of 56 ft (17 m) and a deck 34 ft wide.

Who owns Eberhart Road over South Br Tobacco River?

It is owned by the County Highway Agency.