US Bridges

M-138|E Munger RD over Quanicassee River

Fair

Bay County, Michigan · 2.7 MI E of Munger · Structure no. 000000000000582

Built
1968
57 years old, rebuilt 2008
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
1,305
2007 count
Owner
State
State Highway Agency

About this bridge

M-138|E Munger RD over Quanicassee River is a steel stringer/multi-beam or girder carrying M-138|E Munger RD over Quanicassee River in Bay County, Michigan. It was built in 1968 and reconstructed in 2008, so it is 57 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 1,305 vehicles a day, roughly 6% of them trucks, projected to reach 1,775 by 2018. The structure is 43 ft (13.1 m) long and 44 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

Location

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CarriesM-138|E Munger RD
CrossesQuanicassee River
Location2.7 MI E of Munger
RouteState Highway 138
CountyBay County
StateMichigan
Coordinates43.52216, -83.72501
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85.3 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span41 ft (12.5 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,305 (2007)
Projected traffic1,775 by 2018
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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-138|E Munger RD over Quanicassee River built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2008.

What condition is M-138|E Munger RD over Quanicassee 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-138|E Munger RD over Quanicassee River carry?

About 1,305 vehicles per day (2007 count), of which roughly 6% are trucks.

How long is M-138|E Munger RD over Quanicassee River?

The structure is 43 ft (13.1 m) long with a longest span of 41 ft (12.5 m) and a deck 44 ft wide.

Who owns M-138|E Munger RD over Quanicassee River?

It is owned by the State Highway Agency.