US Bridges

Old County Road over Powder Mill Creek

Fair

Gogebic County, Michigan · In Bessemer · Structure no. 000000000003041

Built
1930
95 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
910
2002 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old County Road over Powder Mill Creek is a concrete tee beam carrying Old County Road over Powder Mill Creek in Gogebic County, Michigan. It was built in 1930, so it is 95 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 910 vehicles a day, roughly 5% of them trucks, projected to reach 1,035 by 2022. The structure is 31 ft (9.4 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesOld County Road
CrossesPowder Mill Creek
LocationIn Bessemer
RouteCity Street 2754
CountyGogebic County
StateMichigan
Coordinates46.46697, -90.06976
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.2 US tons
Inventory rating34.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width38 ft (11.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2002)
Projected traffic1,035 by 2022
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Old County Road over Powder Mill Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Old County Road over Powder Mill Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Old County Road over Powder Mill Creek carry?

About 910 vehicles per day (2002 count), of which roughly 5% are trucks.

How long is Old County Road over Powder Mill Creek?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 38 ft wide.

Who owns Old County Road over Powder Mill Creek?

It is owned by the City or Municipal Highway Agency.