FHWA NBI 2024 Inspection record Public-domain dataset

GIBRALTAR ROAD

Carrying GIBRALTAR ROAD over FRANK & POET DRAIN

GIBRALTAR E/JEFFERSON, Wayne, Michigan

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
38 t Inventory load rating

Bridge Snapshot: GIBRALTAR ROAD

The GIBRALTAR ROAD bridge in Wayne, Michigan carries GIBRALTAR ROAD over FRANK & POET DRAIN. It was built in 1932, making it 94 years old today. The structure is built primarily of concrete and spans 1 section, stretching 8.3 meters (27 feet) end to end. Daily traffic averages 6,206 vehicles, placing it in the moderately-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 4/9, superstructure at 4/9, substructure at 4/9. 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. Its NBI inventory load rating is 38.2 metric tons.

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

How GIBRALTAR ROAD compares

▼ 3.5
Load rating vs Michigan average (41.7 t)
Top 49%
Higher load rating than 51% of Michigan bridges
460
Bridges in Wayne · 32 in Poor condition
GIBRALTAR ROAD 38.2 t
Michigan average 41.7 t

Live comparison across Michigan.

Historical Sufficiency Rating

PlainBridge-computed
48.9 / 100 - historical 20–49.9 band
Structural adequacy /55
30.0
Serviceability /30
6.0
Essentiality /15
12.9
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1932
Material
Concrete
Number of Spans
1
Structure Length
8.3 m (27 ft)
Deck Width
17.0 m (56 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
6,206 vehicles/day
Structure Number
000000000011997

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

GIBRALTAR ROAD 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 GIBRALTAR ROAD 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 GIBRALTAR ROAD?

GIBRALTAR ROAD in Wayne, Michigan has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is GIBRALTAR ROAD inspected?

GIBRALTAR ROAD'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 6,206 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. GIBRALTAR ROAD 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 GIBRALTAR ROAD?

GIBRALTAR ROAD has an NBI inventory load rating of 38.2 metric tons.

Who is responsible for maintaining GIBRALTAR ROAD?

GIBRALTAR ROAD is owned and maintained by City/Municipal Highway Agency.

How old is GIBRALTAR ROAD and does age affect safety?

GIBRALTAR ROAD was built in 1932, making it 94 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.