US Bridges

US-41 over Rapid River

Fair

Delta County, Michigan · 7.2 MI N of US-2 · Structure no. 000000000002113

Built
1937
88 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
2,264
2007 count
Owner
State
State Highway Agency

About this bridge

US-41 over Rapid River is a steel stringer/multi-beam or girder carrying US-41 over Rapid River in Delta County, Michigan. It was built in 1937, so it is 88 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 6 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 2,264 vehicles a day, roughly 16% of them trucks, projected to reach 3,230 by 2018. The structure is 60 ft (18.3 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesUS-41
CrossesRapid River
Location7.2 MI N of US-2
RouteU.S. Route 41
CountyDelta County
StateMichigan
Coordinates46.02339, -86.97581
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span59 ft (17.9 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,264 (2007)
Projected traffic3,230 by 2018
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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-41 over Rapid River built?

It was built in 1937, making it 88 years old in 2025.

What condition is US-41 over Rapid River 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 October 2024.

How much traffic does US-41 over Rapid River carry?

About 2,264 vehicles per day (2007 count), of which roughly 16% are trucks.

How long is US-41 over Rapid River?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (17.9 m) and a deck 38 ft wide.

Who owns US-41 over Rapid River?

It is owned by the State Highway Agency.