US Bridges

Truman Parkway over Saginaw Rv;martin St&rr

Fair

Bay County, Michigan · In Bay City · Structure no. 000000000000749

Built
1976
49 years old
Condition
Fair
inspected May 2024
Type
Movable - Bascule
Steel
Length
1,211 ft
1 main span
Daily traffic
21,832
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Truman Parkway over Saginaw Rv;martin St&rr is a steel movable - bascule carrying Truman Parkway over Saginaw Rv;martin St&rr in Bay County, Michigan. It was built in 1976, so it is 49 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 21,832 vehicles a day, roughly 4% of them trucks, projected to reach 39,300 by 2024. The structure is 1,211 ft (369.1 m) long and 73 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTruman Parkway
CrossesSaginaw Rv;martin St&rr
LocationIn Bay City
RouteCity Street 0
CountyBay County
StateMichigan
Coordinates43.61486, -83.87302
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 protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckOpen grating
Main spans1 (+10 approach)
Design loadHS 20 + Mod
Structure length1,211 ft (369.1 m)
Longest span185 ft (56.4 m)
Deck width73 ft (22.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,832 (2008)
Projected traffic39,300 by 2024
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Truman Parkway over Saginaw Rv;martin St&rr built?

It was built in 1976, making it 49 years old in 2025.

What condition is Truman Parkway over Saginaw Rv;martin St&rr 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 May 2024.

How much traffic does Truman Parkway over Saginaw Rv;martin St&rr carry?

About 21,832 vehicles per day (2008 count), of which roughly 4% are trucks.

How long is Truman Parkway over Saginaw Rv;martin St&rr?

The structure is 1,211 ft (369.1 m) long with a longest span of 185 ft (56.4 m) and a deck 73 ft wide.

Who owns Truman Parkway over Saginaw Rv;martin St&rr?

It is owned by the City or Municipal Highway Agency.