US Bridges

M-129|DIXIE HWY over Charlotte River

Fair

Chippewa County, Michigan · 0.6 MI N of 9 Mile RD · Structure no. 000000000001613

Built
1929
96 years old, rebuilt 1999
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
4,061
2007 count
Owner
State
State Highway Agency

About this bridge

M-129|DIXIE HWY over Charlotte River is a steel stringer/multi-beam or girder carrying M-129|DIXIE HWY over Charlotte River in Chippewa County, Michigan. It was built in 1929 and reconstructed in 1999, so it is 96 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 6 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 4,061 vehicles a day, roughly 5% of them trucks, projected to reach 5,778 by 2018. The structure is 34 ft (10.4 m) long and 36 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesM-129|DIXIE HWY
CrossesCharlotte River
Location0.6 MI N of 9 Mile RD
RouteState Highway 129
CountyChippewa County
StateMichigan
Coordinates46.38246, -84.35351
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.6 US tons
Inventory rating53.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,061 (2007)
Projected traffic5,778 by 2018
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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|DIXIE HWY over Charlotte River built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1999.

What condition is M-129|DIXIE HWY over Charlotte 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 May 2024.

How much traffic does M-129|DIXIE HWY over Charlotte River carry?

About 4,061 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is M-129|DIXIE HWY over Charlotte River?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 36 ft wide.

Who owns M-129|DIXIE HWY over Charlotte River?

It is owned by the State Highway Agency.