US Bridges

FR 146 over No Branch Paint River

FairPosted for load

Iron County, Michigan · NE Qtr Sec 11 T45N R36W · Structure no. 000000000004190

Built
1952
73 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
50 ft
1 main span
Daily traffic
17
1994 count
Owner
County
County Highway Agency

About this bridge

FR 146 over No Branch Paint River is a concrete slab carrying FR 146 over No Branch Paint River in Iron County, Michigan. It was built in 1952, so it is 73 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 6 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 17 vehicles a day, projected to reach 20 by 2014. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesFR 146
CrossesNo Branch Paint River
LocationNE Qtr Sec 11 T45N R36W
RouteCounty Highway 0
CountyIron County
StateMichigan
Coordinates46.31559, -88.77135
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.8 US tons
Inventory rating10 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (1994)
Projected traffic20 by 2014
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 FR 146 over No Branch Paint River built?

It was built in 1952, making it 73 years old in 2025.

What condition is FR 146 over No Branch Paint 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 FR 146 over No Branch Paint River carry?

About 17 vehicles per day (1994 count).

How long is FR 146 over No Branch Paint River?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 16 ft wide.

Who owns FR 146 over No Branch Paint River?

It is owned by the County Highway Agency.