FHWA NBI 2024 Inspection record Public-domain dataset

STONY CREEK RD

Carrying STONY CREEK RD over US-23

3.4 MI N OF MONROE COL, Washtenaw, Michigan

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
62 t Inventory load rating Higher than 92% of rated Michigan bridges

STONY CREEK RD in Washtenaw, Michigan sits above 92% of rated Michigan bridges on inventory load rating (62 t), while its 1962 build year is earlier than 64% of Washtenaw's recorded-year cohort (262 bridges).

STONY CREEK RD in Washtenaw, Michigan is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1962, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:000000000010893

INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · DECK-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • LONG-SPAN-RUN 4 spans
  • DECK-LED Deck-led
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy load
  • CAT-POOR Poor

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: STONY CREEK RD

The STONY CREEK RD bridge in Washtenaw, Michigan carries STONY CREEK RD over US-23. It was built in 1962, making it 64 years old today. It was last reconstructed in 2023, extending its service life. The structure is built primarily of steel and spans 4 sections, stretching 74.7 meters (245 feet) end to end. Daily traffic averages 3,115 vehicles, placing it in the moderately-trafficked tier of Michigan bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.

How STONY CREEK RD compares

▲ 21.0
Load rating vs Michigan average (41.2 t; 11,366 of 11,371 rated)
262
Bridges in Washtenaw · 53 in Poor condition

Age against the county: built in 1962, earlier than 168 of Washtenaw's 262 bridges with a recorded construction year (64%), against a county median build year of 1971. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

STONY CREEK RD 62.2 t
Michigan average (11,366 of 11,371 rated) 41.2 t

Live comparison across Michigan bridges with a recorded inventory load rating (11,366 of 11,371 rated).

STONY CREEK RD vs every rated Michigan bridge

Inventory load rating (metric tons), FHWA NBI, this state

62 Top 8% higher than 92% 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

Deck
4/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
62.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Washtenaw inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 262 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
1962
Last Reconstructed
2023
Material
Steel
Number of Spans
4
Structure Length
74.7 m (245 ft)
Deck Width
10.0 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,115 vehicles/day
Structure Number
000000000010893

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

STONY CREEK RD 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 STONY CREEK RD 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 STONY CREEK RD?

STONY CREEK RD in Washtenaw, Michigan has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is STONY CREEK RD inspected?

STONY CREEK RD'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 3,115 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STONY CREEK RD 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 STONY CREEK RD?

STONY CREEK RD has an NBI inventory load rating of 62.2 metric tons.

Who is responsible for maintaining STONY CREEK RD?

STONY CREEK RD is owned and maintained by State Highway Agency.

How old is STONY CREEK RD and does age affect safety?

STONY CREEK RD was built in 1962, making it 64 years old and last reconstructed in 2023.

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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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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.