US Bridges

M-60 & US-131 Br over Rocky River Race

Fair

St. Joseph County, Michigan · In Three RIVERS(195 W Mi) · Structure no. 000000000010271

Built
1942
83 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
36 ft
1 main span
Daily traffic
9,299
2007 count
Owner
State
State Highway Agency

About this bridge

M-60 & US-131 Br over Rocky River Race is a concrete tee beam carrying M-60 & US-131 Br over Rocky River Race in St. Joseph County, Michigan. It was built in 1942, so it is 83 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 9,299 vehicles a day, roughly 6% of them trucks, projected to reach 14,893 by 2018. The structure is 36 ft (10.9 m) long and 75 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesM-60 & US-131 Br
CrossesRocky River Race
LocationIn Three RIVERS(195 W Mi)
RouteState Highway 60
CountySt. Joseph County
StateMichigan
Coordinates41.94333, -85.63401
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.2 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length36 ft (10.9 m)
Longest span36 ft (10.9 m)
Deck width75 ft (22.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,299 (2007)
Projected traffic14,893 by 2018
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 & US-131 Br over Rocky River Race built?

It was built in 1942, making it 83 years old in 2025.

What condition is M-60 & US-131 Br over Rocky River Race 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 September 2023.

How much traffic does M-60 & US-131 Br over Rocky River Race carry?

About 9,299 vehicles per day (2007 count), of which roughly 6% are trucks.

How long is M-60 & US-131 Br over Rocky River Race?

The structure is 36 ft (10.9 m) long with a longest span of 36 ft (10.9 m) and a deck 75 ft wide.

Who owns M-60 & US-131 Br over Rocky River Race?

It is owned by the State Highway Agency.