FHWA NBI 2024 Inspection record Public-domain dataset

GROTTO AV

Carrying GROTTO AV over MOSHASSUCK RIVER

0.7 Mi W of JCT RI 126, Providence, Rhode Island

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
10 t Inventory load rating Lower than 98% of rated Rhode Island bridges

GROTTO AV in Providence, Rhode Island sits above 2% of rated Rhode Island bridges on inventory load rating (10 t), while its 1935 build year is earlier than 80% of Providence's recorded-year cohort (476 bridges).

GROTTO AV in Providence, Rhode Island is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1935, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 3. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure RI:000000000005940

PRE-1950 · STEEL · SINGLE-SPAN · SUPER-LED · ARTERIAL-ADT · LIGHT-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • STEEL Steel
  • SINGLE-SPAN Single span
  • SUPER-LED Superstructure-led
  • ARTERIAL-ADT Arterial ADT
  • LIGHT-LOAD Light load
  • CAT-POOR Poor

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: GROTTO AV

The GROTTO AV bridge in Providence, Rhode Island carries GROTTO AV over MOSHASSUCK RIVER. It was built in 1935, making it 91 years old today. It was last reconstructed in 1995, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 10.8 meters (35 feet) end to end. Daily traffic averages 1,000 vehicles, placing it in the lower-traffic tier of Rhode Island bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 3/9, substructure at 5/9. 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.

How GROTTO AV compares

▼ 31.3
Load rating vs Rhode Island average (41.0 t; 783 rated)
476
Bridges in Providence · 78 in Poor condition

Age against the county: built in 1935, earlier than 382 of Providence's 476 bridges with a recorded construction year (80%), against a county median build year of 1966. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

GROTTO AV 9.7 t
Rhode Island average (783 rated) 41.0 t

Live comparison across Rhode Island bridges with a recorded inventory load rating (783 rated).

GROTTO AV vs every rated Rhode Island bridge

Inventory load rating (metric tons), FHWA NBI, this state

10 Top 98% higher than 2% of 783 bridges

rated Rhode Island bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
3/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
9.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Providence inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 476 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1935
Last Reconstructed
1995
Material
Steel
Number of Spans
1
Structure Length
10.8 m (35 ft)
Deck Width
4.3 m (14 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,000 vehicles/day
Structure Number
000000000005940

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates poor at 3/9, with advanced deterioration recorded on the latest inspection.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

GROTTO AV 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 GROTTO AV against other structures in Providence and across Rhode Island. Rhode Island 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 GROTTO AV?

GROTTO AV in Providence, Rhode Island has a deck rating of 7/9, superstructure rating of 3/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is GROTTO AV inspected?

GROTTO AV'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 1,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. GROTTO AV 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 GROTTO AV?

GROTTO AV has an NBI inventory load rating of 9.7 metric tons.

Who is responsible for maintaining GROTTO AV?

GROTTO AV is owned and maintained by City/Municipal Highway Agency.

How old is GROTTO AV and does age affect safety?

GROTTO AV was built in 1935, making it 91 years old and last reconstructed in 1995.

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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.