US Bridges

M-57 over Mistequay Creek

Fair

Saginaw County, Michigan · 0.6 MI W of Genesee Col · Structure no. 000000000009039

Built
1940
85 years old, rebuilt 1990
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
5,039
2007 count
Owner
State
State Highway Agency

About this bridge

M-57 over Mistequay Creek is a prestressed concrete stringer/multi-beam or girder carrying M-57 over Mistequay Creek in Saginaw County, Michigan. It was built in 1940 and reconstructed in 1990, so it is 85 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 6 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 5,039 vehicles a day, roughly 10% of them trucks, projected to reach 5,733 by 2018. The structure is 120 ft (36.6 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesM-57
CrossesMistequay Creek
Location0.6 MI W of Genesee Col
RouteState Highway 57
CountySaginaw County
StateMichigan
Coordinates43.17612, -83.94255
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,039 (2007)
Projected traffic5,733 by 2018
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-57 over Mistequay Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1990.

What condition is M-57 over Mistequay 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 July 2023.

How much traffic does M-57 over Mistequay Creek carry?

About 5,039 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is M-57 over Mistequay Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 51 ft wide.

Who owns M-57 over Mistequay Creek?

It is owned by the State Highway Agency.