I-75 over STRAITS OF MACKINAC
MACKINAW CITY-ST IGNACE · County 047, Michigan · Built 1957 · 4 Lanes · 11,926 vehicles/day
Overall
Deck
6
Satisfactory
Superstructure
6
Satisfactory
Substructure
7
Good
Condition Ratings
| Component | Rating | Description |
|---|---|---|
| Deck | 6 | Satisfactory |
| Superstructure | 6 | Satisfactory |
| Substructure | 7 | Good |
Location
45.836911, -84.724878
This bridge is in worse condition than 65.8% of bridges in County 047. The average bridge in Michigan is 0 years old; this one is 69 years old.
Nearby Bridges
I-75 N APPR over STRAITS OF MACKINAC
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US-2|I-75 BL over I-75 NB
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I-75 SB over PORTAGE ST
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I-75 NB over CHEESEMAN RD
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I-75 SB over CHEESEMAN RD
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I-75 S APPR over HURON AVE
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I-75 NB over CENTRAL ST
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I-75 NB over D&M RR (ABN)
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US-23 SB over I-75 NB
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Bridge Details
- Structure #
- 000000000002456
- Year Built
- 1957
- Length
- 5866.7 m (19247.7 ft)
- Max Span
- 1158.5 m
- Width
- 16.4 m (53.8 ft)
- Lanes
- 4
- Daily Traffic
- 11,926
- Material
- Steel
- Design
- Suspension
- Owner
- State Toll Authority
- Last Inspected
- N/A
- Est. Improvement
- N/A
- Total Project Cost
- N/A
Data from FHWA National Bridge Inventory. Bridge conditions may have changed since the last inspection. This site is not affiliated with FHWA. Do not use for route clearance purposes.