US Bridges

County RD 100 over Cut River

Good

Roscommon County, Michigan · Section 28 T23N R3W · Structure no. 000000000009029

Built
2020
5 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
3,274
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 100 over Cut River is a prestressed concrete stringer/multi-beam or girder carrying County RD 100 over Cut River in Roscommon County, Michigan. It was built in 2020, so it is 5 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 3,274 vehicles a day, roughly 3% of them trucks, projected to reach 5,914 by 2040. The structure is 100 ft (30.5 m) long and 43 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesCounty RD 100
CrossesCut River
LocationSection 28 T23N R3W
RouteCounty Highway 7235
CountyRoscommon County
StateMichigan
Coordinates44.36297, -84.67989
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating84.3 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length100 ft (30.5 m)
Longest span97 ft (29.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,274 (2020)
Projected traffic5,914 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 100 over Cut River built?

It was built in 2020, making it 5 years old in 2025.

What condition is County RD 100 over Cut River 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 June 2024.

How much traffic does County RD 100 over Cut River carry?

About 3,274 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is County RD 100 over Cut River?

The structure is 100 ft (30.5 m) long with a longest span of 97 ft (29.6 m) and a deck 43 ft wide.

Who owns County RD 100 over Cut River?

It is owned by the County Highway Agency.