US Bridges

M-67 over Black Creek

Fair

Alger County, Michigan · 2.6 MI S of Chatham · Structure no. 000000000000042

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 Black Creek is a concrete tee beam carrying M-67 over Black 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 19.3 mi (31 km).

Location

Open in Google Maps
CarriesM-67
CrossesBlack Creek
Location2.6 MI S of Chatham
RouteState Highway 67
CountyAlger County
StateMichigan
Coordinates46.31184, -86.92862
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable 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 span20 ft (6.1 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 closed19.3 mi (31 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 Black Creek built?

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

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

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

How long is M-67 over Black Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns M-67 over Black Creek?

It is owned by the State Highway Agency.