US Bridges

Woodside Ave over Saginaw River and Mcrr

Fair

Bay County, Michigan · Bay City · Structure no. 000000000000747

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Movable - Bascule
Steel
Length
2,344 ft
1 main span
Daily traffic
19,300
1990 count
Owner
City
City or Municipal Highway Agency

About this bridge

Woodside Ave over Saginaw River and Mcrr is a steel movable - bascule carrying Woodside Ave over Saginaw River and Mcrr in Bay County, Michigan. It was built in 1987, so it is 38 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 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 19,300 vehicles a day, roughly 10% of them trucks, projected to reach 28,000 by 2010. The structure is 2,344 ft (714.6 m) long and 77 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesWoodside Ave
CrossesSaginaw River and Mcrr
LocationBay City
RouteCity Street 2008
CountyBay County
StateMichigan
Coordinates43.6046, -83.8892
Functional classUrban Other Principal 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.4 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+21 approach)
Design loadHS 20
Structure length2,344 ft (714.6 m)
Longest span275 ft (83.8 m)
Deck width77 ft (23.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,300 (1990)
Projected traffic28,000 by 2010
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$618,000
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Woodside Ave over Saginaw River and Mcrr built?

It was built in 1987, making it 38 years old in 2025.

What condition is Woodside Ave over Saginaw River and Mcrr 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 March 2023.

How much traffic does Woodside Ave over Saginaw River and Mcrr carry?

About 19,300 vehicles per day (1990 count), of which roughly 10% are trucks.

How long is Woodside Ave over Saginaw River and Mcrr?

The structure is 2,344 ft (714.6 m) long with a longest span of 275 ft (83.8 m) and a deck 77 ft wide.

Who owns Woodside Ave over Saginaw River and Mcrr?

It is owned by the City or Municipal Highway Agency.