US Bridges

Old US-2 over Middle Br Ontonagon Riv

Poor

Gogebic County, Michigan · Sec 21 Watersmeet Twp · Structure no. 000000000003030

Built
1927
98 years old
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
13
1998 count
Owner
County
County Highway Agency

About this bridge

Old US-2 over Middle Br Ontonagon Riv is a concrete tee beam carrying Old US-2 over Middle Br Ontonagon Riv in Gogebic County, Michigan. It was built in 1927, so it is 98 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 13 vehicles a day, projected to reach 13 by 2018. The structure is 32 ft (9.7 m) long and 38 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesOld US-2
CrossesMiddle Br Ontonagon Riv
LocationSec 21 Watersmeet Twp
RouteCounty Highway 0
CountyGogebic County
StateMichigan
Coordinates46.27788, -89.309
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating39.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length32 ft (9.7 m)
Longest span30 ft (9.1 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (1998)
Projected traffic13 by 2018
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$224,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old US-2 over Middle Br Ontonagon Riv built?

It was built in 1927, making it 98 years old in 2025.

What condition is Old US-2 over Middle Br Ontonagon Riv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Old US-2 over Middle Br Ontonagon Riv carry?

About 13 vehicles per day (1998 count).

How long is Old US-2 over Middle Br Ontonagon Riv?

The structure is 32 ft (9.7 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.

Who owns Old US-2 over Middle Br Ontonagon Riv?

It is owned by the County Highway Agency.