US Bridges

US 44 Harding ST over I 495

Fair

Plymouth County, Massachusetts · .1 M N of RTE 18 / 495 · Structure no. M1805345DDOTNBI

Built
1958
67 years old, rebuilt 1988
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
286 ft
4 main spans
Daily traffic
46,163
2024 count
Owner
State
State Highway Agency

About this bridge

US 44 Harding ST over I 495 is a steel stringer/multi-beam or girder carrying US 44 Harding ST over I 495 in Plymouth County, Massachusetts. It was built in 1958 and reconstructed in 1988, so it is 67 years old, older 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 46,163 vehicles a day, roughly 8% of them trucks, projected to reach 60,961 by 2032. The structure is 286 ft (87.2 m) long and 61 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 44 Harding ST
CrossesI 495
Location.1 M N of RTE 18 / 495
RouteU.S. Route 44
Coordinates41.90266, -70.96479
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length286 ft (87.2 m)
Longest span98 ft (29.9 m)
Deck width61 ft (18.7 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,163 (2024)
Projected traffic60,961 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 44 Harding ST over I 495 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1988.

What condition is US 44 Harding ST over I 495 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 US 44 Harding ST over I 495 carry?

About 46,163 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is US 44 Harding ST over I 495?

The structure is 286 ft (87.2 m) long with a longest span of 98 ft (29.9 m) and a deck 61 ft wide.

Who owns US 44 Harding ST over I 495?

It is owned by the State Highway Agency.