US Bridges

US-2 over Canadian National RR

Poor

Mackinac County, Michigan · 5.0 MI W of M-117 · Structure no. 000000000005928

Built
1938
87 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
254 ft
5 main spans
Daily traffic
4,114
2007 count
Owner
State
State Highway Agency

About this bridge

US-2 over Canadian National RR is a steel stringer/multi-beam or girder carrying US-2 over Canadian National RR in Mackinac County, Michigan. It was built in 1938, so it is 87 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,114 vehicles a day, roughly 16% of them trucks, projected to reach 7,261 by 2018. The structure is 254 ft (77.4 m) long and 38 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesUS-2
CrossesCanadian National RR
Location5.0 MI W of M-117
RouteU.S. Route 2
CountyMackinac County
StateMichigan
Coordinates46.10116, -85.67106
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length254 ft (77.4 m)
Longest span55 ft (16.9 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,114 (2007)
Projected traffic7,261 by 2018
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-2 over Canadian National RR built?

It was built in 1938, making it 87 years old in 2025.

What condition is US-2 over Canadian National RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does US-2 over Canadian National RR carry?

About 4,114 vehicles per day (2007 count), of which roughly 16% are trucks.

How long is US-2 over Canadian National RR?

The structure is 254 ft (77.4 m) long with a longest span of 55 ft (16.9 m) and a deck 38 ft wide.

Who owns US-2 over Canadian National RR?

It is owned by the State Highway Agency.