US Bridges

HWY Northboro RD over RR CSX

Good

Worcester County, Massachusetts · .1MI. E. of I 495 · Structure no. S2000623KDOT634

Built
1900
125 years old, rebuilt 2009
Condition
Good
inspected May 2024
Type
Slab
Wood or Timber
Length
32 ft
1 main span
Daily traffic
4,503
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Northboro RD over RR CSX is a wood or timber slab carrying HWY Northboro RD over RR CSX in Worcester County, Massachusetts. It was built in 1900 and reconstructed in 2009, so it is 125 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,503 vehicles a day, roughly 3% of them trucks, projected to reach 9,476 by 2032. The structure is 32 ft (9.9 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Northboro RD
CrossesRR CSX
Location.1MI. E. of I 495
RouteCity Street 0
Coordinates42.3145, -71.56334
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating110.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length32 ft (9.9 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,503 (2024)
Projected traffic9,476 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of relocation of road
Estimated improvement cost$3.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Northboro RD over RR CSX built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2009.

What condition is HWY Northboro RD over RR CSX in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does HWY Northboro RD over RR CSX carry?

About 4,503 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is HWY Northboro RD over RR CSX?

The structure is 32 ft (9.9 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns HWY Northboro RD over RR CSX?

It is owned by the State Highway Agency.