FHWA NBI 2024 Inspection record Public-domain dataset

HWY CITY TUNNEL

Carrying HWY CITY TUNNEL over HWY HIGHLAND ST

.2 MI. W. OF I-290, Worcester, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
48 t Inventory load rating

Bridge Snapshot: HWY CITY TUNNEL

The HWY CITY TUNNEL bridge in Worcester, Massachusetts carries HWY CITY TUNNEL over HWY HIGHLAND ST. It was built in 1954, making it 72 years old today. The structure is built primarily of steel and spans 1 section, stretching 11.2 meters (37 feet) end to end. Daily traffic averages 1,000 vehicles, placing it in the lower-traffic tier of Massachusetts bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 5/9. 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 47.6 metric tons.

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

How HWY CITY TUNNEL compares

▲ 6.4
Load rating vs Massachusetts average (41.2 t)
Top 25%
Higher load rating than 75% of Massachusetts bridges
1,016
Bridges in Worcester · 74 in Poor condition
HWY CITY TUNNEL 47.6 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
75.9 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
15.9
Essentiality /15
15.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
47.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1954
Material
Steel
Number of Spans
1
Structure Length
11.2 m (37 ft)
Deck Width
140.0 m (459 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
1,000 vehicles/day
Structure Number
W44074B99MUNNBI

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether HWY CITY TUNNEL 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 HWY CITY TUNNEL against other structures in Worcester 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 HWY CITY TUNNEL?

HWY CITY TUNNEL in Worcester, Massachusetts has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is HWY CITY TUNNEL inspected?

HWY CITY TUNNEL'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. HWY CITY TUNNEL 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 HWY CITY TUNNEL?

HWY CITY TUNNEL has an NBI inventory load rating of 47.6 metric tons.

Who is responsible for maintaining HWY CITY TUNNEL?

HWY CITY TUNNEL is owned and maintained by City/Municipal Highway Agency.

How old is HWY CITY TUNNEL and does age affect safety?

HWY CITY TUNNEL was built in 1954, making it 72 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.