US Bridges

M-59 EB over N Br Clinton River

Good

Macomb County, Michigan · 0.7 Miles W of M-97 · Structure no. 000000000012654

Built
1996
29 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
230 ft
3 main spans
Daily traffic
31,800
2021 count
Owner
State
State Highway Agency

About this bridge

M-59 EB over N Br Clinton River is a prestressed concrete stringer/multi-beam or girder carrying M-59 EB over N Br Clinton River in Macomb County, Michigan. It was built in 1996, so it is 29 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 31,800 vehicles a day, roughly 3% of them trucks, projected to reach 35,150 by 2041. The structure is 230 ft (70.1 m) long and 64 ft wide.

CarriesM-59 EB
CrossesN Br Clinton River
Location0.7 Miles W of M-97
RouteState Highway 59
Coordinates42.62836, -82.88883
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length230 ft (70.1 m)
Longest span84 ft (25.6 m)
Deck width64 ft (19.6 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,800 (2021)
Projected traffic35,150 by 2041
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 M-59 EB over N Br Clinton River built?

It was built in 1996, making it 29 years old in 2025.

What condition is M-59 EB over N Br Clinton 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 December 2023.

How much traffic does M-59 EB over N Br Clinton River carry?

About 31,800 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is M-59 EB over N Br Clinton River?

The structure is 230 ft (70.1 m) long with a longest span of 84 ft (25.6 m) and a deck 64 ft wide.

Who owns M-59 EB over N Br Clinton River?

It is owned by the State Highway Agency.