FHWA NBI 2024 Inspection record Public-domain dataset

SAVANNAH AVENUE

Carrying SAVANNAH AVENUE over I-75

IN DETROIT, Wayne, Michigan

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: SAVANNAH AVENUE

The SAVANNAH AVENUE bridge in Wayne, Michigan carries SAVANNAH AVENUE over I-75. It was built in 1967, making it 59 years old today. The structure is built primarily of steel. Daily traffic averages 152,325 vehicles, placing it in the heavily-trafficked tier of Michigan bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. No reported major component scores in the Poor range under the current federal condition thresholds.

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

How SAVANNAH AVENUE compares

460
Bridges in Wayne · 32 in Poor condition

Live comparison across Michigan.

Historical Sufficiency Rating

PlainBridge-computed
75.8 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
7.0
Essentiality /15
13.8
Special reductions
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 How the historical reference is calculated.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

Overall Condition
Unrated

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

Structural Details

Year Built
1967
Material
Steel
Avg Daily Traffic
152,325 vehicles/day
Structure Number
000000000011860

How to read this record

This page shows what the last federal inspection recorded, not whether SAVANNAH AVENUE 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 SAVANNAH AVENUE against other structures in Wayne 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 SAVANNAH AVENUE?

SAVANNAH AVENUE in Wayne, Michigan on the FHWA's 0–9 scale.

How often is SAVANNAH AVENUE inspected?

SAVANNAH AVENUE'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 152,325 vehicles per day.

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

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

What is the inventory load rating for SAVANNAH AVENUE?

An inventory load rating is not recorded for SAVANNAH AVENUE.

Who is responsible for maintaining SAVANNAH AVENUE?

Ownership is not specified for SAVANNAH AVENUE in the NBI.

How old is SAVANNAH AVENUE and does age affect safety?

SAVANNAH AVENUE was built in 1967, making it 59 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.