FHWA NBI 2024 Inspection record Public-domain dataset

HWY OAK HILL RD

Carrying HWY OAK HILL RD over WATER N NASHUA RIVER

AT JCT OF RTE 31, Worcester, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
23 t Inventory load rating

Bridge Snapshot: HWY OAK HILL RD

The HWY OAK HILL RD bridge in Worcester, Massachusetts carries HWY OAK HILL RD over WATER N NASHUA RIVER. It was built in 1900, making it 126 years old today. It was last reconstructed in 1986, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 26.5 meters (87 feet) end to end. Daily traffic averages 2,800 vehicles, placing it in the moderately-trafficked tier of Massachusetts bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 4/9, substructure at 7/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 22.5 metric tons.

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

How HWY OAK HILL RD compares

▼ 18.7
Load rating vs Massachusetts average (41.2 t)
Bottom 8%
Lower load rating than 92% of Massachusetts bridges
1,016
Bridges in Worcester · 74 in Poor condition
HWY OAK HILL RD 22.5 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
42.7 / 100 - historical 20–49.9 band
Structural adequacy /55
19.9
Serviceability /30
9.0
Essentiality /15
13.8
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
7/9
Good (7–9)
Inventory Load Rating
22.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1900
Last Reconstructed
1986
Material
Steel
Number of Spans
2
Structure Length
26.5 m (87 ft)
Deck Width
15.4 m (51 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
2,800 vehicles/day
Structure Number
F040051ENMUNNBI

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

HWY OAK HILL RD 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 HWY OAK HILL RD 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 OAK HILL RD?

HWY OAK HILL RD in Worcester, Massachusetts has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HWY OAK HILL RD inspected?

HWY OAK HILL RD'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 2,800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY OAK HILL RD 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 HWY OAK HILL RD?

HWY OAK HILL RD has an NBI inventory load rating of 22.5 metric tons.

Who is responsible for maintaining HWY OAK HILL RD?

HWY OAK HILL RD is owned and maintained by City/Municipal Highway Agency.

How old is HWY OAK HILL RD and does age affect safety?

HWY OAK HILL RD was built in 1900, making it 126 years old and last reconstructed in 1986.

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.