US Bridges

Maple Road over Silver Creek Drain

Fair

Saginaw County, Michigan · 0.25 MI N of Birch Run RD · Structure no. 000000000009434

Built
1932
93 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
2,750
1989 count
Owner
City
City or Municipal Highway Agency

About this bridge

Maple Road over Silver Creek Drain is a concrete tee beam carrying Maple Road over Silver Creek Drain in Saginaw County, Michigan. It was built in 1932, so it is 93 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 2,750 vehicles a day, roughly 15% of them trucks, projected to reach 3,850 by 2010. The structure is 27 ft (8.2 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMaple Road
CrossesSilver Creek Drain
Location0.25 MI N of Birch Run RD
RouteCity Street 0
Coordinates43.25367, -83.79433
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating52.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span23 ft (7 m)
Deck width39 ft (11.9 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (1989)
Projected traffic3,850 by 2010
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Maple Road over Silver Creek Drain built?

It was built in 1932, making it 93 years old in 2025.

What condition is Maple Road over Silver Creek Drain 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 September 2024.

How much traffic does Maple Road over Silver Creek Drain carry?

About 2,750 vehicles per day (1989 count), of which roughly 15% are trucks.

How long is Maple Road over Silver Creek Drain?

The structure is 27 ft (8.2 m) long with a longest span of 23 ft (7 m) and a deck 39 ft wide.

Who owns Maple Road over Silver Creek Drain?

It is owned by the City or Municipal Highway Agency.