WINCHESTER STREET
Carrying WINCHESTER STREET over RIVER RAISIN
IN MONROE, Monroe, Michigan
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
WINCHESTER STREET in Monroe, Michigan is rated Good in the FHWA's 2024 National Bridge Inventory.
Built in 1971, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure MI:000000000007410
INTERSTATE-ERA · PRESTRESS · LONG-SPAN-RUN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- PRESTRESS Prestressed concrete
- LONG-SPAN-RUN 5 spans
- TIED-CTRL Tied control
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: WINCHESTER STREET
The WINCHESTER STREET bridge in Monroe, Michigan carries WINCHESTER STREET over RIVER RAISIN. It was built in 1971, making it 55 years old today. It was last reconstructed in 2010, extending its service life. The structure is built primarily of prestressed concrete and spans 5 sections, stretching 152.4 meters (500 feet) end to end. Daily traffic averages 4,823 vehicles, placing it in the moderately-trafficked tier of Michigan bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.
How WINCHESTER STREET compares
Age against the county: built in 1971, earlier than 162 of Monroe's 297 bridges with a recorded construction year (55%), against a county median build year of 1973. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Michigan bridges with a recorded inventory load rating (11,366 of 11,371 rated).
WINCHESTER STREET vs every rated Michigan bridge
Inventory load rating (metric tons), FHWA NBI, this state
40 Top 46% higher than 54% of 11,366 bridges
rated Michigan bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Monroe inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 297 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1971
- Last Reconstructed
- 2010
- Material
- Prestressed Concrete
- Number of Spans
- 5
- Structure Length
- 152.4 m (500 ft)
- Deck Width
- 18.2 m (60 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 4,823 vehicles/day
- Structure Number
- 000000000007410
Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether WINCHESTER STREET is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare WINCHESTER STREET against other structures in Monroe 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 WINCHESTER STREET?
WINCHESTER STREET in Monroe, Michigan has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is WINCHESTER STREET inspected?
WINCHESTER STREET'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 4,823 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. WINCHESTER STREET is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for WINCHESTER STREET?
WINCHESTER STREET has an NBI inventory load rating of 40.2 metric tons.
Who is responsible for maintaining WINCHESTER STREET?
WINCHESTER STREET is owned and maintained by City/Municipal Highway Agency.
How old is WINCHESTER STREET and does age affect safety?
WINCHESTER STREET was built in 1971, making it 55 years old and last reconstructed in 2010.
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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.