US Bridges

Vassar Road over Perry Creek

Good

Tuscola County, Michigan · Sec 7 Millington Twp · Structure no. 000000000010497

Built
1985
40 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
1,690
2009 count
Owner
County
County Highway Agency

About this bridge

Vassar Road over Perry Creek is a prestressed concrete box beam or girders - multiple carrying Vassar Road over Perry Creek in Tuscola County, Michigan. It was built in 1985, so it is 40 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 1,690 vehicles a day, projected to reach 3,050 by 2029. The structure is 50 ft (15.2 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesVassar Road
CrossesPerry Creek
LocationSec 7 Millington Twp
RouteCounty Highway 7919
CountyTuscola County
StateMichigan
Coordinates43.28729, -83.58284
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating41.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.8 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,690 (2009)
Projected traffic3,050 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 Perry Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Vassar Road over Perry Creek 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 July 2023.

How much traffic does Vassar Road over Perry Creek carry?

About 1,690 vehicles per day (2009 count).

How long is Vassar Road over Perry Creek?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.8 m) and a deck 37 ft wide.

Who owns Vassar Road over Perry Creek?

It is owned by the County Highway Agency.