US Bridges

ST 2 A/ST110/KING over I 495

Good

Middlesex County, Massachusetts · 1.5 MI N of Rt 2 · Structure no. L1302626MDOTNBI

Built
1960
65 years old, rebuilt 2013
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
287 ft
5 main spans
Daily traffic
3,845
2020 count
Owner
State
State Highway Agency

About this bridge

ST 2 A/ST110/KING over I 495 is a steel stringer/multi-beam or girder carrying ST 2 A/ST110/KING over I 495 in Middlesex County, Massachusetts. It was built in 1960 and reconstructed in 2013, so it is 65 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,845 vehicles a day, roughly 7% of them trucks, projected to reach 34,745 by 2031. The structure is 287 ft (87.5 m) long and 55 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesST 2 A/ST110/KING
CrossesI 495
Location1.5 MI N of Rt 2
RouteState Highway 110
CountyMiddlesex County
StateMassachusetts
Coordinates42.5398, -71.49298
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.8 US tons
Inventory rating54.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length287 ft (87.5 m)
Longest span79 ft (24.2 m)
Deck width55 ft (16.9 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,845 (2020)
Projected traffic34,745 by 2031
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$10.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 2 A/ST110/KING over I 495 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2013.

What condition is ST 2 A/ST110/KING over I 495 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 November 2023.

How much traffic does ST 2 A/ST110/KING over I 495 carry?

About 3,845 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is ST 2 A/ST110/KING over I 495?

The structure is 287 ft (87.5 m) long with a longest span of 79 ft (24.2 m) and a deck 55 ft wide.

Who owns ST 2 A/ST110/KING over I 495?

It is owned by the State Highway Agency.