US Bridges

M-45 over Sand Creek

Good

Ottawa County, Michigan · 2.7 MI W of Kent CO Line · Structure no. 000000000008762

Built
1999
26 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
18,856
2007 count
Owner
State
State Highway Agency

About this bridge

M-45 over Sand Creek is a prestressed concrete stringer/multi-beam or girder carrying M-45 over Sand Creek in Ottawa County, Michigan. It was built in 1999, so it is 26 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 18,856 vehicles a day, roughly 5% of them trucks, projected to reach 26,942 by 2018. The structure is 66 ft (20 m) long and 100 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesM-45
CrossesSand Creek
Location2.7 MI W of Kent CO Line
RouteState Highway 45
CountyOttawa County
StateMichigan
Coordinates42.97213, -85.8397
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.2 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length66 ft (20 m)
Longest span66 ft (20 m)
Deck width100 ft (30.4 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,856 (2007)
Projected traffic26,942 by 2018
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 M-45 over Sand Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is M-45 over Sand Creek 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 M-45 over Sand Creek carry?

About 18,856 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is M-45 over Sand Creek?

The structure is 66 ft (20 m) long with a longest span of 66 ft (20 m) and a deck 100 ft wide.

Who owns M-45 over Sand Creek?

It is owned by the State Highway Agency.