US Bridges

Beck Road over Flintsteel River

Good

Ontonagon County, Michigan · 5 MI E of Ontonagon · Structure no. 000000000008532

Built
1987
38 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
2 main spans
Daily traffic
10
1997 count
Owner
County
County Highway Agency

About this bridge

Beck Road over Flintsteel River is a prestressed concrete box beam or girders - multiple carrying Beck Road over Flintsteel River in Ontonagon County, Michigan. It was built in 1987, so it is 38 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 10 vehicles a day, projected to reach 10 by 2017. The structure is 100 ft (30.5 m) long and 19 ft wide. If it were closed, the detour would be 124.3 mi (200 km).

Location

Open in Google Maps
CarriesBeck Road
CrossesFlintsteel River
Location5 MI E of Ontonagon
RouteCounty Highway 0
CountyOntonagon County
StateMichigan
Coordinates46.88393, -89.20709
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating48.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span50 ft (15.2 m)
Deck width19 ft (5.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1997)
Projected traffic10 by 2017
Trucks—
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.3 mi (200 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 Beck Road over Flintsteel River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Beck Road over Flintsteel 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 October 2023.

How much traffic does Beck Road over Flintsteel River carry?

About 10 vehicles per day (1997 count).

How long is Beck Road over Flintsteel River?

The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.2 m) and a deck 19 ft wide.

Who owns Beck Road over Flintsteel River?

It is owned by the County Highway Agency.