US Bridges

ST126 Hartford Ave over I 495 SB

Fair

Norfolk County, Massachusetts · 1MI.S.MEDWAY Twn LN · Structure no. B060202AGDOTNBI

Built
1966
59 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
1 main span
Daily traffic
20,192
2022 count
Owner
State
State Highway Agency

About this bridge

ST126 Hartford Ave over I 495 SB is a steel stringer/multi-beam or girder carrying ST126 Hartford Ave over I 495 SB in Norfolk County, Massachusetts. It was built in 1966, so it is 59 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 20,192 vehicles a day, roughly 10% of them trucks, projected to reach 25,585 by 2033. The structure is 121 ft (36.9 m) long and 53 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesST126 Hartford Ave
CrossesI 495 SB
Location1MI.S.MEDWAY Twn LN
RouteState Highway 126
CountyNorfolk County
StateMassachusetts
Coordinates42.11421, -71.46638
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length121 ft (36.9 m)
Longest span118 ft (36 m)
Deck width53 ft (16.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,192 (2022)
Projected traffic25,585 by 2033
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST126 Hartford Ave over I 495 SB built?

It was built in 1966, making it 59 years old in 2025.

What condition is ST126 Hartford Ave over I 495 SB 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 January 2024.

How much traffic does ST126 Hartford Ave over I 495 SB carry?

About 20,192 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is ST126 Hartford Ave over I 495 SB?

The structure is 121 ft (36.9 m) long with a longest span of 118 ft (36 m) and a deck 53 ft wide.

Who owns ST126 Hartford Ave over I 495 SB?

It is owned by the State Highway Agency.