US Bridges

Old M-78 over Vermillion Creek

Good

Shiawassee County, Michigan · 1.3 MI NE of Clinton Col · Structure no. 000000000009729

Built
2009
16 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
4,397
2007 count
Owner
State
State Highway Agency

About this bridge

Old M-78 over Vermillion Creek is a prestressed concrete box beam or girders - single or spread carrying Old M-78 over Vermillion Creek in Shiawassee County, Michigan. It was built in 2009, so it is 16 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 4,397 vehicles a day, roughly 1% of them trucks, projected to reach 6,400 by 2029. The structure is 80 ft (24.4 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesOld M-78
CrossesVermillion Creek
Location1.3 MI NE of Clinton Col
RouteState Highway 78
CountyShiawassee County
StateMichigan
Coordinates42.80193, -84.33793
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating41.1 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length80 ft (24.4 m)
Longest span77 ft (23.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,397 (2007)
Projected traffic6,400 by 2029
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Old M-78 over Vermillion Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Old M-78 over Vermillion 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 June 2023.

How much traffic does Old M-78 over Vermillion Creek carry?

About 4,397 vehicles per day (2007 count), of which roughly 1% are trucks.

How long is Old M-78 over Vermillion Creek?

The structure is 80 ft (24.4 m) long with a longest span of 77 ft (23.5 m) and a deck 47 ft wide.

Who owns Old M-78 over Vermillion Creek?

It is owned by the State Highway Agency.