US Bridges

M-129|PICKFORD RD over Little Munuscong River

Fair

Chippewa County, Michigan · 0.9 MI N of Tone RD · Structure no. 000000000001616

Built
1968
57 years old
Condition
Fair
inspected February 2024
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
3,344
2007 count
Owner
State
State Highway Agency

About this bridge

M-129|PICKFORD RD over Little Munuscong River is a steel culvert carrying M-129|PICKFORD RD over Little Munuscong River in Chippewa County, Michigan. It was built in 1968, so it is 57 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,344 vehicles a day, roughly 4% of them trucks, projected to reach 4,583 by 2018. The structure is 29 ft (8.7 m) long.

Location

Open in Google Maps
CarriesM-129|PICKFORD RD
CrossesLittle Munuscong River
Location0.9 MI N of Tone RD
RouteState Highway 129
CountyChippewa County
StateMichigan
Coordinates46.27253, -84.36351
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.9 US tons
Inventory rating75.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length29 ft (8.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,344 (2007)
Projected traffic4,583 by 2018
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Little Munuscong River built?

It was built in 1968, making it 57 years old in 2025.

What condition is M-129|PICKFORD RD over Little Munuscong River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does M-129|PICKFORD RD over Little Munuscong River carry?

About 3,344 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is M-129|PICKFORD RD over Little Munuscong River?

The structure is 29 ft (8.7 m) long with a longest span of 12 ft (3.7 m).

Who owns M-129|PICKFORD RD over Little Munuscong River?

It is owned by the State Highway Agency.