17 MILE ROAD
Carrying 17 MILE ROAD over MIDDLE BRANCH RIVER
MIDDLE BR TWP SEC 3/10, Osceola, Michigan
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 17 MILE ROAD
The 17 MILE ROAD bridge in Osceola, Michigan carries 17 MILE ROAD over MIDDLE BRANCH RIVER. It was built in 1965, making it 61 years old today. The structure is built primarily of steel and spans 2 sections, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 153 vehicles, placing it in the lower-traffic tier of Michigan bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show culvert at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 48.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 17 MILE ROAD 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 How the historical reference is calculated.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
- 1965
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 9.8 m (32 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 153 vehicles/day
- Structure Number
- 000000000013253
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
17 MILE ROAD 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 17 MILE ROAD against other structures in Osceola 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 17 MILE ROAD?
17 MILE ROAD in Osceola, Michigan on the FHWA's 0–9 scale.
How often is 17 MILE ROAD inspected?
17 MILE ROAD'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 153 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 17 MILE ROAD 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 17 MILE ROAD?
17 MILE ROAD has an NBI inventory load rating of 48.9 metric tons.
Who is responsible for maintaining 17 MILE ROAD?
17 MILE ROAD is owned and maintained by County Highway Agency.
How old is 17 MILE ROAD and does age affect safety?
17 MILE ROAD was built in 1965, making it 61 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.