US Bridges

70th Ave over Crocker Creek

Good

Osceola County, Michigan · 900FT S of 20 Mile Road · Structure no. 000000000013924

Built
2021
4 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
305
2020 count
Owner
County
County Highway Agency

About this bridge

70th Ave over Crocker Creek is a prestressed concrete box beam or girders - single or spread carrying 70th Ave over Crocker Creek in Osceola County, Michigan. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 305 vehicles a day, roughly 5% of them trucks, projected to reach 325 by 2040. The structure is 38 ft (11.6 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries70th Ave
CrossesCrocker Creek
Location900FT S of 20 Mile Road
RouteCounty Highway 0
Coordinates44.09975, -85.22639
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.2 US tons
Inventory rating59.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length38 ft (11.6 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic305 (2020)
Projected traffic325 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$659,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 70th Ave over Crocker Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is 70th Ave over Crocker 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 July 2023.

How much traffic does 70th Ave over Crocker Creek carry?

About 305 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 70th Ave over Crocker Creek?

The structure is 38 ft (11.6 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns 70th Ave over Crocker Creek?

It is owned by the County Highway Agency.