BLACK RIVER FALLS
Carrying BLACK RIVER FALLS over BLACK RIVER
1.3 MI W OF CR 581, Marquette, Michigan
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: BLACK RIVER FALLS
The BLACK RIVER FALLS bridge in Marquette, Michigan carries BLACK RIVER FALLS over BLACK RIVER. It was built in 1930, making it 96 years old today. The structure is built primarily of steel and spans 1 section, stretching 10.2 meters (33 feet) end to end. Daily traffic averages 10 vehicles, placing it in the lower-traffic tier of Michigan bridges. It is owned and maintained by Other State Agencies.
The latest FHWA inspection records show a deck rating of 2/9, superstructure at 2/9, substructure at 2/9. The weakest component sits in critical condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 21.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How BLACK RIVER FALLS compares
Live comparison across Michigan.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1930
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 10.2 m (33 ft)
- Deck Width
- 3.7 m (12 ft)
- Owner
- Other State Agencies
- Avg Daily Traffic
- 10 vehicles/day
- Structure Number
- 000000000013723
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates critical at 2/9, severe deterioration that needs urgent attention.
- • The superstructure (beams and supports above the deck) rates critical at 2/9, severe deterioration that needs urgent attention.
- • At 2/9, the substructure (piers and abutments) is in critical shape, with severe wear requiring urgent action.
How to read this record
BLACK RIVER FALLS is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare BLACK RIVER FALLS against other structures in Marquette and across Michigan. Michigan bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for BLACK RIVER FALLS?
BLACK RIVER FALLS in Marquette, Michigan has a deck rating of 2/9, superstructure rating of 2/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.
How often is BLACK RIVER FALLS inspected?
BLACK RIVER FALLS's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 10 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. BLACK RIVER FALLS is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for BLACK RIVER FALLS?
BLACK RIVER FALLS has an NBI inventory load rating of 21.5 metric tons.
Who is responsible for maintaining BLACK RIVER FALLS?
BLACK RIVER FALLS is owned and maintained by Other State Agencies.
How old is BLACK RIVER FALLS and does age affect safety?
BLACK RIVER FALLS was built in 1930, making it 96 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.