US Bridges

Vassar Road over Southgate Drain Outlet

Fair

Tuscola County, Michigan · Sec 6 Akron Twp · Structure no. 000000000010503

Built
1990
35 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
290
2009 count
Owner
County
County Highway Agency

About this bridge

Vassar Road over Southgate Drain Outlet is a prestressed concrete box beam or girders - multiple carrying Vassar Road over Southgate Drain Outlet in Tuscola County, Michigan. It was built in 1990, so it is 35 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 290 vehicles a day, projected to reach 525 by 2029. The structure is 33 ft (10.2 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesVassar Road
CrossesSouthgate Drain Outlet
LocationSec 6 Akron Twp
RouteCounty Highway 0
Coordinates43.65276, -83.58485
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.6 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span31 ft (9.6 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2009)
Projected traffic525 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Vassar Road over Southgate Drain Outlet built?

It was built in 1990, making it 35 years old in 2025.

What condition is Vassar Road over Southgate Drain Outlet 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 April 2023.

How much traffic does Vassar Road over Southgate Drain Outlet carry?

About 290 vehicles per day (2009 count).

How long is Vassar Road over Southgate Drain Outlet?

The structure is 33 ft (10.2 m) long with a longest span of 31 ft (9.6 m) and a deck 34 ft wide.

Who owns Vassar Road over Southgate Drain Outlet?

It is owned by the County Highway Agency.