US Bridges

Wise RD over Onion Creek

Good

Isabella County, Michigan · 200 Ft N of Remus RD · Structure no. 000000000014165

Built
2018
7 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,658
2017 count
Owner
County
County Highway Agency

About this bridge

Wise RD over Onion Creek is a prestressed concrete box beam or girders - single or spread carrying Wise RD over Onion Creek in Isabella County, Michigan. It was built in 2018, so it is 7 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 1,658 vehicles a day, roughly 5% of them trucks, projected to reach 2,021 by 2037. The structure is 40 ft (12.2 m) long and 43 ft wide.

CarriesWise RD
CrossesOnion Creek
Location200 Ft N of Remus RD
RouteCounty Highway 3791
Coordinates43.5977, -84.648
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
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating67.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length40 ft (12.2 m)
Longest span39 ft (11.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,658 (2017)
Projected traffic2,021 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Wise RD over Onion Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Wise RD over Onion 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 2024.

How much traffic does Wise RD over Onion Creek carry?

About 1,658 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Wise RD over Onion Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.8 m) and a deck 43 ft wide.

Who owns Wise RD over Onion Creek?

It is owned by the County Highway Agency.