US Bridges

M-67 over Dexter Creek

Fair

Alger County, Michigan · 3.7 MI NE of Trenary · Structure no. 000000000000041

Built
1929
96 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
1,163
2007 count
Owner
State
State Highway Agency

About this bridge

M-67 over Dexter Creek is a concrete tee beam carrying M-67 over Dexter Creek in Alger County, Michigan. It was built in 1929, 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 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 1,163 vehicles a day, roughly 10% of them trucks, projected to reach 1,353 by 2018. The structure is 23 ft (7 m) long and 34 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesM-67
CrossesDexter Creek
Location3.7 MI NE of Trenary
RouteState Highway 67
Coordinates46.22019, -86.92822
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,163 (2007)
Projected traffic1,353 by 2018
Trucks10%
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-67 over Dexter Creek built?

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

What condition is M-67 over Dexter Creek 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-67 over Dexter Creek carry?

About 1,163 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is M-67 over Dexter Creek?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 34 ft wide.

Who owns M-67 over Dexter Creek?

It is owned by the State Highway Agency.