US Bridges

M-13|N Huron RD over Johnsons Creek

Good

Bay County, Michigan · 1.8 MI S of Pinconning · Structure no. 000000000000591

Built
2013
12 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
11,000
2012 count
Owner
State
State Highway Agency

About this bridge

M-13|N Huron RD over Johnsons Creek is a prestressed concrete stringer/multi-beam or girder carrying M-13|N Huron RD over Johnsons Creek in Bay 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 11,000 vehicles a day, roughly 5% of them trucks, projected to reach 12,000 by 2032. The structure is 59 ft (18 m) long and 71 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesM-13|N Huron RD
CrossesJohnsons Creek
Location1.8 MI S of Pinconning
RouteState Highway 13
Coordinates43.82732, -83.96673
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length59 ft (18 m)
Longest span56 ft (17.2 m)
Deck width71 ft (21.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2012)
Projected traffic12,000 by 2032
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 M-13|N Huron RD over Johnsons Creek built?

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

What condition is M-13|N Huron RD over Johnsons 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 May 2024.

How much traffic does M-13|N Huron RD over Johnsons Creek carry?

About 11,000 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is M-13|N Huron RD over Johnsons Creek?

The structure is 59 ft (18 m) long with a longest span of 56 ft (17.2 m) and a deck 71 ft wide.

Who owns M-13|N Huron RD over Johnsons Creek?

It is owned by the State Highway Agency.