US Bridges

HWY W Squantm ST over TR Red Line Ssh

Fair

Norfolk County, Massachusetts · 1.0 Mie. Jct. Granite Ave · Structure no. Q010034UBMBTNBI

Built
1969
56 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
143 ft
2 main spans
Daily traffic
11,700
2013 count
Owner
State
Other State Agency

About this bridge

HWY W Squantm ST over TR Red Line Ssh is a steel stringer/multi-beam or girder carrying HWY W Squantm ST over TR Red Line Ssh in Norfolk County, Massachusetts. It was built in 1969, so it is 56 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 5 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 11,700 vehicles a day, roughly 10% of them trucks, projected to reach 12,950 by 2031. The structure is 143 ft (43.7 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY W Squantm ST
CrossesTR Red Line Ssh
Location1.0 Mie. Jct. Granite Ave
RouteCity Street 0
Coordinates42.27472, -71.02952
Functional classUrban Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating58 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length143 ft (43.7 m)
Longest span73 ft (22.4 m)
Deck width63 ft (19.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,700 (2013)
Projected traffic12,950 by 2031
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$8.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY W Squantm ST over TR Red Line Ssh built?

It was built in 1969, making it 56 years old in 2025.

What condition is HWY W Squantm ST over TR Red Line Ssh 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 March 2023.

How much traffic does HWY W Squantm ST over TR Red Line Ssh carry?

About 11,700 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is HWY W Squantm ST over TR Red Line Ssh?

The structure is 143 ft (43.7 m) long with a longest span of 73 ft (22.4 m) and a deck 63 ft wide.

Who owns HWY W Squantm ST over TR Red Line Ssh?

It is owned by the Other State Agency and maintained by the State Highway Agency.