US Bridges

ST 3 SB over HWY Ledge RD

Fair

Middlesex County, Massachusetts · 1.1 MI N of RTE 40 · Structure no. W2601683PDOTNBI

Built
2004
21 years old
Condition
Fair
inspected November 2024
Type
Arch - Deck
Concrete
Length
42 ft
1 main span
Daily traffic
43,149
2024 count
Owner
State
State Highway Agency

About this bridge

ST 3 SB over HWY Ledge RD is a concrete arch - deck carrying ST 3 SB over HWY Ledge RD in Middlesex County, Massachusetts. It was built in 2004, so it is 21 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 43,149 vehicles a day, roughly 4% of them trucks, projected to reach 135,820 by 2031. The structure is 42 ft (12.8 m) long and 83 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesST 3 SB
CrossesHWY Ledge RD
Location1.1 MI N of RTE 40
RouteU.S. Route 3
Coordinates42.64381, -71.41613
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating110.1 US tons
Inventory rating85.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width83 ft (25.2 m)
Roadway width72 ft (22 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,149 (2024)
Projected traffic135,820 by 2031
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$640,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 3 SB over HWY Ledge RD built?

It was built in 2004, making it 21 years old in 2025.

What condition is ST 3 SB over HWY Ledge RD in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does ST 3 SB over HWY Ledge RD carry?

About 43,149 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is ST 3 SB over HWY Ledge RD?

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 83 ft wide.

Who owns ST 3 SB over HWY Ledge RD?

It is owned by the State Highway Agency.