US Bridges

Leonard ST over Sand Creek

Good

Ottawa County, Michigan · 0.85 Miles E of 24th Av · Structure no. 000000000008836

Built
1999
26 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
1,700
2020 count
Owner
County
County Highway Agency

About this bridge

Leonard ST over Sand Creek is a prestressed concrete box beam or girders - single or spread carrying Leonard ST 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 1,700 vehicles a day, roughly 5% of them trucks, projected to reach 3,070 by 2040. The structure is 80 ft (24.5 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLeonard ST
CrossesSand Creek
Location0.85 Miles E of 24th Av
RouteCounty Highway 7052
Coordinates42.99122, -85.83136
Functional classRural Major Collector

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length80 ft (24.5 m)
Longest span78 ft (23.9 m)
Deck width52 ft (15.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2020)
Projected traffic3,070 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Leonard ST over Sand Creek built?

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

What condition is Leonard ST 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 September 2024.

How much traffic does Leonard ST over Sand Creek carry?

About 1,700 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Leonard ST over Sand Creek?

The structure is 80 ft (24.5 m) long with a longest span of 78 ft (23.9 m) and a deck 52 ft wide.

Who owns Leonard ST over Sand Creek?

It is owned by the County Highway Agency.