US Bridges

US-2 over Sturgeon River

Good

Dickinson County, Michigan · 1.0 MI W of Loretto · Structure no. 000000000002182

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
2 main spans
Daily traffic
5,743
2007 count
Owner
State
State Highway Agency

About this bridge

US-2 over Sturgeon River is a prestressed concrete stringer/multi-beam or girder carrying US-2 over Sturgeon River in Dickinson County, Michigan. It was built in 2003, so it is 22 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,743 vehicles a day, roughly 6% of them trucks, projected to reach 8,288 by 2018. The structure is 240 ft (73.2 m) long and 47 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesUS-2
CrossesSturgeon River
Location1.0 MI W of Loretto
RouteU.S. Route 2
Coordinates45.77675, -87.82698
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length240 ft (73.2 m)
Longest span116 ft (35.3 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,743 (2007)
Projected traffic8,288 by 2018
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-2 over Sturgeon River built?

It was built in 2003, making it 22 years old in 2025.

What condition is US-2 over Sturgeon River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does US-2 over Sturgeon River carry?

About 5,743 vehicles per day (2007 count), of which roughly 6% are trucks.

How long is US-2 over Sturgeon River?

The structure is 240 ft (73.2 m) long with a longest span of 116 ft (35.3 m) and a deck 47 ft wide.

Who owns US-2 over Sturgeon River?

It is owned by the State Highway Agency.