US Bridges

M-129|PICKFORD RD over S Br Charlotte River

Good

Chippewa County, Michigan · 0.2 MI N of 12 Mile Road · Structure no. 000000000001610

Built
2010
15 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
3,500
2010 count
Owner
State
State Highway Agency

About this bridge

M-129|PICKFORD RD over S Br Charlotte River is a prestressed concrete box beam or girders - single or spread carrying M-129|PICKFORD RD over S Br Charlotte River in Chippewa County, Michigan. It was built in 2010, so it is 15 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 3,500 vehicles a day, roughly 4% of them trucks, projected to reach 4,000 by 2030. The structure is 77 ft (23.6 m) long and 46 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesM-129|PICKFORD RD
CrossesS Br Charlotte River
Location0.2 MI N of 12 Mile Road
RouteState Highway 129
Coordinates46.33408, -84.3639
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length77 ft (23.6 m)
Longest span74 ft (22.6 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2010)
Projected traffic4,000 by 2030
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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-129|PICKFORD RD over S Br Charlotte River built?

It was built in 2010, making it 15 years old in 2025.

What condition is M-129|PICKFORD RD over S Br Charlotte River 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-129|PICKFORD RD over S Br Charlotte River carry?

About 3,500 vehicles per day (2010 count), of which roughly 4% are trucks.

How long is M-129|PICKFORD RD over S Br Charlotte River?

The structure is 77 ft (23.6 m) long with a longest span of 74 ft (22.6 m) and a deck 46 ft wide.

Who owns M-129|PICKFORD RD over S Br Charlotte River?

It is owned by the State Highway Agency.