FHWA NBI 2024 Inspection record Public-domain dataset

ASHBURY DRIVE

Carrying ASHBURY DRIVE over MIDDLE BR ROUGE RIVER

CHASE FARMS SUBDIVISION, Oakland, Michigan

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
33 t Inventory load rating

Bridge Snapshot: ASHBURY DRIVE

The ASHBURY DRIVE bridge in Oakland, Michigan carries ASHBURY DRIVE over MIDDLE BR ROUGE RIVER. It was built in 1991, making it 35 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 14.1 meters (46 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Michigan bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 4/9. The weakest component sits in poor 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 32.7 metric tons.

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

How ASHBURY DRIVE compares

▼ 9.0
Load rating vs Michigan average (41.7 t)
Bottom 31%
Lower load rating than 69% of Michigan bridges
49
Bridges in Oakland · 3 in Poor condition
ASHBURY DRIVE 32.7 t
Michigan average 41.7 t

Live comparison across Michigan.

Historical Sufficiency Rating

PlainBridge-computed
71.0 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
28.0
Essentiality /15
15.0
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1991
Material
Prestressed Concrete
Number of Spans
1
Structure Length
14.1 m (46 ft)
Deck Width
13.5 m (44 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
000000000013828

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

ASHBURY DRIVE 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 ASHBURY DRIVE against other structures in Oakland 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 ASHBURY DRIVE?

ASHBURY DRIVE in Oakland, Michigan has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is ASHBURY DRIVE inspected?

ASHBURY DRIVE'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 100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ASHBURY DRIVE 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 ASHBURY DRIVE?

ASHBURY DRIVE has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining ASHBURY DRIVE?

ASHBURY DRIVE is owned and maintained by City/Municipal Highway Agency.

How old is ASHBURY DRIVE and does age affect safety?

ASHBURY DRIVE was built in 1991, making it 35 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.