US Bridges

US-2 over Sturgeon River

Good

Delta County, Michigan · 0.3 MI E Nahma Junction · Structure no. 000000000002093

Built
1972
53 years old, rebuilt 1998
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
109 ft
3 main spans
Daily traffic
3,462
2007 count
Owner
State
State Highway Agency

About this bridge

US-2 over Sturgeon River is a steel continuous stringer/multi-beam or girder carrying US-2 over Sturgeon River in Delta County, Michigan. It was built in 1972 and reconstructed in 1998, so it is 53 years old, older 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 3,462 vehicles a day, roughly 14% of them trucks, projected to reach 6,677 by 2018. The structure is 109 ft (33.2 m) long and 50 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesUS-2
CrossesSturgeon River
Location0.3 MI E Nahma Junction
RouteU.S. Route 2
Coordinates45.89527, -86.70367
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating52.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span50 ft (15.2 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,462 (2007)
Projected traffic6,677 by 2018
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 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 1972, making it 53 years old in 2025. It was reconstructed in 1998.

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 September 2023.

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

About 3,462 vehicles per day (2007 count), of which roughly 14% are trucks.

How long is US-2 over Sturgeon River?

The structure is 109 ft (33.2 m) long with a longest span of 50 ft (15.2 m) and a deck 50 ft wide.

Who owns US-2 over Sturgeon River?

It is owned by the State Highway Agency.