US Bridges

Mechanic Street over Grand River

Good

Jackson County, Michigan · 100 Ft South of Glick HWY · Structure no. 000000000004544

Built
2009
16 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
4,412
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mechanic Street over Grand River is a prestressed concrete box beam or girders - single or spread carrying Mechanic Street over Grand River in Jackson County, Michigan. It was built in 2009, so it is 16 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 4,412 vehicles a day, roughly 5% of them trucks, projected to reach 6,573 by 2040. The structure is 59 ft (18 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMechanic Street
CrossesGrand River
Location100 Ft South of Glick HWY
RouteCity Street 0
Coordinates42.24887, -84.40584
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 protection7 GoodSome minor problems.
Last inspectionOctober 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 rating71.1 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length59 ft (18 m)
Longest span54 ft (16.6 m)
Deck width67 ft (20.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,412 (2020)
Projected traffic6,573 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Mechanic Street over Grand River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Mechanic Street 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 October 2024.

How much traffic does Mechanic Street over Grand River carry?

About 4,412 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Mechanic Street over Grand River?

The structure is 59 ft (18 m) long with a longest span of 54 ft (16.6 m) and a deck 67 ft wide.

Who owns Mechanic Street over Grand River?

It is owned by the City or Municipal Highway Agency.