US Bridges

Fergus RD over Shiawassee River

Good

Saginaw County, Michigan · 0.2 MI E of Sharon Road · Structure no. 000000000009209

Built
2013
12 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
230 ft
3 main spans
Daily traffic
2,353
2013 count
Owner
County
County Highway Agency

About this bridge

Fergus RD over Shiawassee River is a prestressed concrete stringer/multi-beam or girder carrying Fergus RD over Shiawassee River in Saginaw County, Michigan. It was built in 2013, so it is 12 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,353 vehicles a day, roughly 5% of them trucks, projected to reach 4,250 by 2033. The structure is 230 ft (70.1 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFergus RD
CrossesShiawassee River
Location0.2 MI E of Sharon Road
RouteCounty Highway 7326
Coordinates43.25501, -84.10459
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating61.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length230 ft (70.1 m)
Longest span113 ft (34.4 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,353 (2013)
Projected traffic4,250 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Fergus RD over Shiawassee River built?

It was built in 2013, making it 12 years old in 2025.

What condition is Fergus RD over Shiawassee River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Fergus RD over Shiawassee River carry?

About 2,353 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Fergus RD over Shiawassee River?

The structure is 230 ft (70.1 m) long with a longest span of 113 ft (34.4 m) and a deck 39 ft wide.

Who owns Fergus RD over Shiawassee River?

It is owned by the County Highway Agency.