FHWA NBI 2024 Inspection record Public-domain dataset

ST111 HOLLIS ST

Carrying ST111 HOLLIS ST over WATER NISSITISSIT RIVER

200 FT S OF NASHUA RD, Middlesex, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
20 t Inventory load rating

Bridge Snapshot: ST111 HOLLIS ST

The ST111 HOLLIS ST bridge in Middlesex, Massachusetts carries ST111 HOLLIS ST over WATER NISSITISSIT RIVER. It was built in 1958, making it 68 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 20.7 meters (68 feet) end to end. Daily traffic averages 9,300 vehicles, placing it in the moderately-trafficked tier of Massachusetts bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 20.1 metric tons.

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

How ST111 HOLLIS ST compares

▼ 21.1
Load rating vs Massachusetts average (41.2 t)
Bottom 5%
Lower load rating than 95% of Massachusetts bridges
820
Bridges in Middlesex · 72 in Poor condition
ST111 HOLLIS ST 20.1 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
64.6 / 100 - historical 50–79.9 band
Structural adequacy /55
41.0
Serviceability /30
12.0
Essentiality /15
13.6
Special reductions
−2.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1958
Material
Prestressed Concrete
Number of Spans
1
Structure Length
20.7 m (68 ft)
Deck Width
14.8 m (49 ft)
Owner
State Highway Agency
Avg Daily Traffic
9,300 vehicles/day
Structure Number
P0600528UDOTNBI

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 good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether ST111 HOLLIS ST 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 ST111 HOLLIS ST against other structures in Middlesex and across Massachusetts. Massachusetts 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 ST111 HOLLIS ST?

ST111 HOLLIS ST in Middlesex, Massachusetts has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is ST111 HOLLIS ST inspected?

ST111 HOLLIS ST'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 9,300 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ST111 HOLLIS ST 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 ST111 HOLLIS ST?

ST111 HOLLIS ST has an NBI inventory load rating of 20.1 metric tons.

Who is responsible for maintaining ST111 HOLLIS ST?

ST111 HOLLIS ST is owned and maintained by State Highway Agency.

How old is ST111 HOLLIS ST and does age affect safety?

ST111 HOLLIS ST was built in 1958, making it 68 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.