FHWA NBI 2024 Inspection record Public-domain dataset

11 MILE RD

Carrying 11 MILE RD over NOVI-LYON DRAIN

LYON TWP SEC 14/23, Oakland, Michigan

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
55 t Inventory load rating

Bridge Snapshot: 11 MILE RD

The 11 MILE RD bridge in Oakland, Michigan carries 11 MILE RD over NOVI-LYON DRAIN. It was built in 2021, making it 5 years old today. The structure is built primarily of concrete and spans 1 section, stretching 6.8 meters (22 feet) end to end. Daily traffic averages 140 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 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 55.1 metric tons.

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

How 11 MILE RD compares

▲ 13.4
Load rating vs Michigan average (41.7 t)
Top 18%
Higher load rating than 82% of Michigan bridges
49
Bridges in Oakland · 3 in Poor condition
11 MILE RD 55.1 t
Michigan average 41.7 t

Live comparison across Michigan.

Historical Sufficiency Rating

PlainBridge-computed
92.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
12.9
Special reductions
−5.0

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 How the historical reference is calculated.

Condition Ratings

Culvert
8/9
Good (7–9)
Inventory Load Rating
55.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2021
Material
Concrete
Number of Spans
1
Structure Length
6.8 m (22 ft)
Owner
County Highway Agency
Avg Daily Traffic
140 vehicles/day
Structure Number
000000000014137

How to read this record

This page shows what the last federal inspection recorded, not whether 11 MILE RD 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 11 MILE RD 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 11 MILE RD?

11 MILE RD in Oakland, Michigan on the FHWA's 0–9 scale.

How often is 11 MILE RD inspected?

11 MILE 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 140 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 11 MILE RD 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 11 MILE RD?

11 MILE RD has an NBI inventory load rating of 55.1 metric tons.

Who is responsible for maintaining 11 MILE RD?

11 MILE RD is owned and maintained by County Highway Agency.

How old is 11 MILE RD and does age affect safety?

11 MILE RD was built in 2021, making it 5 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.