FHWA NBI 2024 Inspection record Public-domain dataset

EB Martin Downs Bl

Carrying EB Martin Downs Bl over S Fork St. Lucie River

0.34 mi W of Kanner Hwy, Martin, Florida

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
45 t Inventory load rating

Bridge Snapshot: EB Martin Downs Bl

The EB Martin Downs Bl bridge in Martin, Florida carries EB Martin Downs Bl over S Fork St. Lucie River. It was built in 1970, making it 56 years old today. The structure is built primarily of prestressed concrete and spans 24 sections, stretching 563.0 meters (1847 feet) end to end. Daily traffic averages 18,750 vehicles, placing it in the heavily-trafficked tier of Florida bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 45.4 metric tons.

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

How EB Martin Downs Bl compares

▲ 6.5
Load rating vs Florida average (38.9 t)
Top 24%
Higher load rating than 76% of Florida bridges
129
Bridges in Martin · 1 in Poor condition
EB Martin Downs Bl 45.4 t
Florida average 38.9 t

Live comparison across Florida.

Historical Sufficiency Rating

PlainBridge-computed
98.1 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.1
Special reductions
−1.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1970
Material
Prestressed Concrete
Number of Spans
24
Structure Length
563.0 m (1847 ft)
Deck Width
12.9 m (42 ft)
Owner
State Highway Agency
Avg Daily Traffic
18,750 vehicles/day
Structure Number
890038

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether EB Martin Downs Bl 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 EB Martin Downs Bl against other structures in Martin and across Florida. Florida 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 EB Martin Downs Bl?

EB Martin Downs Bl in Martin, Florida has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is EB Martin Downs Bl inspected?

EB Martin Downs Bl'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 18,750 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. EB Martin Downs Bl is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for EB Martin Downs Bl?

EB Martin Downs Bl has an NBI inventory load rating of 45.4 metric tons.

Who is responsible for maintaining EB Martin Downs Bl?

EB Martin Downs Bl is owned and maintained by State Highway Agency.

How old is EB Martin Downs Bl and does age affect safety?

EB Martin Downs Bl was built in 1970, making it 56 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.