US Bridges

M-94 over Sturgeon Hole Creek

Fair

Schoolcraft County, Michigan · 7.5 MI N of Manistique · Structure no. 000000000009678

Built
1957
68 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
827
2007 count
Owner
State
State Highway Agency

About this bridge

M-94 over Sturgeon Hole Creek is a concrete tee beam carrying M-94 over Sturgeon Hole Creek in Schoolcraft County, Michigan. It was built in 1957, so it is 68 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 827 vehicles a day, roughly 6% of them trucks, projected to reach 1,116 by 2018. The structure is 23 ft (7 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesM-94
CrossesSturgeon Hole Creek
Location7.5 MI N of Manistique
RouteState Highway 94
CountySchoolcraft County
StateMichigan
Coordinates46.04598, -86.26192
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80 US tons
Inventory rating47.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 15
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic827 (2007)
Projected traffic1,116 by 2018
Trucks6%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$18,000 (2050 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was M-94 over Sturgeon Hole Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is M-94 over Sturgeon Hole 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 August 2023.

How much traffic does M-94 over Sturgeon Hole Creek carry?

About 827 vehicles per day (2007 count), of which roughly 6% are trucks.

How long is M-94 over Sturgeon Hole Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 38 ft wide.

Who owns M-94 over Sturgeon Hole Creek?

It is owned by the State Highway Agency.