US Bridges

Probert Road over Grand River

Good

Jackson County, Michigan · South of Jackson City Lim · Structure no. 000000000004516

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
1,000
2000 count
Owner
County
County Highway Agency

About this bridge

Probert Road over Grand River is a prestressed concrete box beam or girders - multiple carrying Probert Road over Grand River in Jackson County, Michigan. It was built in 2003, so it is 22 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 1,000 vehicles a day, roughly 2% of them trucks, projected to reach 1,200 by 2020. The structure is 43 ft (13.1 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesProbert Road
CrossesGrand River
LocationSouth of Jackson City Lim
RouteCounty Highway 0
Coordinates42.20508, -84.40556
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating95.2 US tons
Inventory rating57.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length43 ft (13.1 m)
Longest span39 ft (11.9 m)
Deck width40 ft (12.3 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2000)
Projected traffic1,200 by 2020
Trucks2%
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 Probert Road over Grand River built?

It was built in 2003, making it 22 years old in 2025.

What condition is Probert Road over Grand River 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 August 2023.

How much traffic does Probert Road over Grand River carry?

About 1,000 vehicles per day (2000 count), of which roughly 2% are trucks.

How long is Probert Road over Grand River?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.9 m) and a deck 40 ft wide.

Who owns Probert Road over Grand River?

It is owned by the County Highway Agency.