US Bridges

16th Ave(homer Rd) over Iron River

Fair

Iron County, Michigan · 500 Ft N of W. Adams · Structure no. 000000000004218

Built
1995
30 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
1,345
1994 count
Owner
City
City or Municipal Highway Agency

About this bridge

16th Ave(homer Rd) over Iron River is a prestressed concrete box beam or girders - multiple carrying 16th Ave(homer Rd) over Iron River in Iron County, Michigan. It was built in 1995, so it is 30 years old, younger 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 6 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 1,345 vehicles a day, roughly 4% of them trucks, projected to reach 1,900 by 2014. The structure is 100 ft (30.4 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries16th Ave(homer Rd)
CrossesIron River
Location500 Ft N of W. Adams
RouteCounty Highway 59
CountyIron County
StateMichigan
Coordinates46.09343, -88.6588
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85 US tons
Inventory rating50.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.4 m)
Longest span96 ft (29.2 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,345 (1994)
Projected traffic1,900 by 2014
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 16th Ave(homer Rd) over Iron River built?

It was built in 1995, making it 30 years old in 2025.

What condition is 16th Ave(homer Rd) over Iron 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 16th Ave(homer Rd) over Iron River carry?

About 1,345 vehicles per day (1994 count), of which roughly 4% are trucks.

How long is 16th Ave(homer Rd) over Iron River?

The structure is 100 ft (30.4 m) long with a longest span of 96 ft (29.2 m) and a deck 40 ft wide.

Who owns 16th Ave(homer Rd) over Iron River?

It is owned by the City or Municipal Highway Agency.