US Bridges

M-60 over Sandstone River

Fair

Jackson County, Michigan · 3.4 MI NE of Spring Arbor · Structure no. 000000000004391

Built
1928
97 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
10,540
2007 count
Owner
State
State Highway Agency

About this bridge

M-60 over Sandstone River is a concrete tee beam carrying M-60 over Sandstone River in Jackson County, Michigan. It was built in 1928, so it is 97 years old, older 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 5 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 10,540 vehicles a day, roughly 10% of them trucks, projected to reach 17,248 by 2018. The structure is 27 ft (8.2 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesM-60
CrossesSandstone River
Location3.4 MI NE of Spring Arbor
RouteState Highway 60
Coordinates42.22526, -84.49358
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span26 ft (7.8 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,540 (2007)
Projected traffic17,248 by 2018
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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-60 over Sandstone River built?

It was built in 1928, making it 97 years old in 2025.

What condition is M-60 over Sandstone 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 April 2023.

How much traffic does M-60 over Sandstone River carry?

About 10,540 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is M-60 over Sandstone River?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.8 m) and a deck 44 ft wide.

Who owns M-60 over Sandstone River?

It is owned by the State Highway Agency.