US Bridges

Mt Vernon RD over Tributary of Stoney Crk

Good

Macomb County, Michigan · 0.3 MI S of 31 MI RD · Structure no. 000000000013399

Built
2007
18 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
121
2003 count
Owner
County
County Highway Agency

About this bridge

Mt Vernon RD over Tributary of Stoney Crk is a prestressed concrete box beam or girders - multiple carrying Mt Vernon RD over Tributary of Stoney Crk in Macomb County, Michigan. It was built in 2007, so it is 18 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 121 vehicles a day, roughly 3% of them trucks, projected to reach 145 by 2023. The structure is 35 ft (10.7 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMt Vernon RD
CrossesTributary of Stoney Crk
Location0.3 MI S of 31 MI RD
RouteCounty Highway 0
Coordinates42.78067, -83.08817
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating79.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span34 ft (10.3 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121 (2003)
Projected traffic145 by 2023
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mt Vernon RD over Tributary of Stoney Crk built?

It was built in 2007, making it 18 years old in 2025.

What condition is Mt Vernon RD over Tributary of Stoney Crk 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 August 2023.

How much traffic does Mt Vernon RD over Tributary of Stoney Crk carry?

About 121 vehicles per day (2003 count), of which roughly 3% are trucks.

How long is Mt Vernon RD over Tributary of Stoney Crk?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.3 m) and a deck 44 ft wide.

Who owns Mt Vernon RD over Tributary of Stoney Crk?

It is owned by the County Highway Agency.