US Bridges

M-139 over Dowagiac River

Fair

Berrien County, Michigan · 0.76 MI S of M-140 · Structure no. 000000000000873

Built
2012
13 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
175 ft
2 main spans
Daily traffic
8,000
2011 count
Owner
State
State Highway Agency

About this bridge

M-139 over Dowagiac River is a prestressed concrete box beam or girders - single or spread carrying M-139 over Dowagiac River in Berrien County, Michigan. It was built in 2012, so it is 13 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 8,000 vehicles a day, roughly 3% of them trucks, projected to reach 9,300 by 2031. The structure is 175 ft (53.3 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesM-139
CrossesDowagiac River
Location0.76 MI S of M-140
RouteState Highway 139
CountyBerrien County
StateMichigan
Coordinates41.84511, -86.26259
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating48.2 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length175 ft (53.3 m)
Longest span85 ft (25.8 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2011)
Projected traffic9,300 by 2031
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-139 over Dowagiac River built?

It was built in 2012, making it 13 years old in 2025.

What condition is M-139 over Dowagiac 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 Dowagiac River carry?

About 8,000 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is M-139 over Dowagiac River?

The structure is 175 ft (53.3 m) long with a longest span of 85 ft (25.8 m) and a deck 47 ft wide.

Who owns M-139 over Dowagiac River?

It is owned by the State Highway Agency.