US Bridges

Mazanec Road over E Br Presque Isle River

FairPosted for load

Gogebic County, Michigan · Sec 13 Marenisco Twp · Structure no. 000000000003018

Built
1944
81 years old, rebuilt 2010
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
2
1998 count
Owner
County
County Highway Agency

About this bridge

Mazanec Road over E Br Presque Isle River is a steel stringer/multi-beam or girder carrying Mazanec Road over E Br Presque Isle River in Gogebic County, Michigan. It was built in 1944 and reconstructed in 2010, so it is 81 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. Its operating status is: posted for load restriction.

It carries about 2 vehicles a day, projected to reach 2 by 2018. The structure is 40 ft (12.2 m) long and 14 ft wide. If it were closed, the detour would be 124.9 mi (201 km).

Location

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CarriesMazanec Road
CrossesE Br Presque Isle River
LocationSec 13 Marenisco Twp
RouteCounty Highway 0
CountyGogebic County
StateMichigan
Coordinates46.30269, -89.62731
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.3 US tons
Inventory rating13.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length40 ft (12.2 m)
Longest span39 ft (12 m)
Deck width14 ft (4.2 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (1998)
Projected traffic2 by 2018
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.9 mi (201 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$283,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mazanec Road over E Br Presque Isle River built?

It was built in 1944, making it 81 years old in 2025. It was reconstructed in 2010.

What condition is Mazanec Road over E Br Presque Isle River 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 September 2024.

How much traffic does Mazanec Road over E Br Presque Isle River carry?

About 2 vehicles per day (1998 count).

How long is Mazanec Road over E Br Presque Isle River?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (12 m) and a deck 14 ft wide.

Who owns Mazanec Road over E Br Presque Isle River?

It is owned by the County Highway Agency.