US Bridges

M-37 (bedford) over Wabascon Creek

Fair

Calhoun County, Michigan · 2.8 MI N M-89 (michigan) · Structure no. 000000000001190

Built
1929
96 years old, rebuilt 1990
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
3,430
2007 count
Owner
State
State Highway Agency

About this bridge

M-37 (bedford) over Wabascon Creek is a prestressed concrete box beam or girders - multiple carrying M-37 (bedford) over Wabascon Creek in Calhoun County, Michigan. It was built in 1929 and reconstructed in 1990, so it is 96 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 3,430 vehicles a day, roughly 9% of them trucks, projected to reach 4,276 by 2018. The structure is 28 ft (8.5 m) long and 56 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesM-37 (bedford)
CrossesWabascon Creek
Location2.8 MI N M-89 (michigan)
RouteState Highway 37
CountyCalhoun County
StateMichigan
Coordinates42.39695, -85.2341
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment8: Equal to present desirable criteria
Operating rating105.7 US tons
Inventory rating63.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width56 ft (17.2 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,430 (2007)
Projected traffic4,276 by 2018
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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-37 (bedford) over Wabascon Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1990.

What condition is M-37 (bedford) over Wabascon Creek 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 August 2023.

How much traffic does M-37 (bedford) over Wabascon Creek carry?

About 3,430 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is M-37 (bedford) over Wabascon Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 56 ft wide.

Who owns M-37 (bedford) over Wabascon Creek?

It is owned by the State Highway Agency.