FHWA NBI 2024 Inspection record Public-domain dataset

FACTORY STREET

Carrying FACTORY STREET over HURON RIVER

IN THE CITY OF YPSILANTI, Washtenaw, Michigan

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
42 t Inventory load rating

Bridge Snapshot: FACTORY STREET

The FACTORY STREET bridge in Washtenaw, Michigan carries FACTORY STREET over HURON RIVER. It was built in 1978, making it 48 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 68.9 meters (226 feet) end to end. Daily traffic averages 11,700 vehicles, placing it in the heavily-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 5/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 42.4 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How FACTORY STREET compares

▲ 0.7
Load rating vs Michigan average (41.7 t)
Top 39%
Higher load rating than 61% of Michigan bridges
93
Bridges in Washtenaw · 15 in Poor condition
FACTORY STREET 42.4 t
Michigan average 41.7 t

Live comparison across Michigan.

Historical Sufficiency Rating

PlainBridge-computed
79.9 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
13.0
Essentiality /15
12.9
Special reductions
−1.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
42.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1978
Material
Prestressed Concrete
Number of Spans
3
Structure Length
68.9 m (226 ft)
Deck Width
21.9 m (72 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
11,700 vehicles/day
Structure Number
000000000011088

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether FACTORY 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 FACTORY STREET against other structures in Washtenaw 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 FACTORY STREET?

FACTORY STREET in Washtenaw, Michigan has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is FACTORY STREET inspected?

FACTORY 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 11,700 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. FACTORY STREET is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for FACTORY STREET?

FACTORY STREET has an NBI inventory load rating of 42.4 metric tons.

Who is responsible for maintaining FACTORY STREET?

FACTORY STREET is owned and maintained by City/Municipal Highway Agency.

How old is FACTORY STREET and does age affect safety?

FACTORY STREET was built in 1978, making it 48 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.