US Bridges

M-139 over ST Joseph River

Fair

Berrien County, Michigan · 2.5 MI S of Benton Harbor · Structure no. 000000000000869

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
406 ft
5 main spans
Daily traffic
9,250
2007 count
Owner
State
State Highway Agency

About this bridge

M-139 over ST Joseph River is a prestressed concrete box beam or girders - multiple carrying M-139 over ST Joseph River in Berrien County, Michigan. It was built in 1982, so it is 43 years old, younger 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 9,250 vehicles a day, roughly 5% of them trucks, projected to reach 11,402 by 2018. The structure is 406 ft (123.7 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesM-139
CrossesST Joseph River
Location2.5 MI S of Benton Harbor
RouteState Highway 139
Coordinates42.05761, -86.43834
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length406 ft (123.7 m)
Longest span85 ft (25.9 m)
Deck width59 ft (18.1 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,250 (2007)
Projected traffic11,402 by 2018
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was M-139 over ST Joseph River built?

It was built in 1982, making it 43 years old in 2025.

What condition is M-139 over ST Joseph 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 July 2024.

How much traffic does M-139 over ST Joseph River carry?

About 9,250 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is M-139 over ST Joseph River?

The structure is 406 ft (123.7 m) long with a longest span of 85 ft (25.9 m) and a deck 59 ft wide.

Who owns M-139 over ST Joseph River?

It is owned by the State Highway Agency.