US Bridges

ST126 N Main ST over Water Charles River

Good

Norfolk County, Massachusetts · @ Corner of Main Ave · Structure no. B060052AHDOTNBI

Built
1972
53 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
19,800
2023 count
Owner
State
State Highway Agency

About this bridge

ST126 N Main ST over Water Charles River is a steel stringer/multi-beam or girder carrying ST126 N Main ST over Water Charles River in Norfolk County, Massachusetts. It was built in 1972, so it is 53 years old, younger 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 19,800 vehicles a day, roughly 8% of them trucks, projected to reach 28,427 by 2032. The structure is 31 ft (9.4 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST126 N Main ST
CrossesWater Charles River
Location@ Corner of Main Ave
RouteState Highway 126
Coordinates42.09429, -71.47591
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.1 US tons
Inventory rating35.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span24 ft (7.3 m)
Deck width59 ft (18.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,800 (2023)
Projected traffic28,427 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway 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$1.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST126 N Main ST over Water Charles River built?

It was built in 1972, making it 53 years old in 2025.

What condition is ST126 N Main ST over Water Charles River 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 January 2025.

How much traffic does ST126 N Main ST over Water Charles River carry?

About 19,800 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is ST126 N Main ST over Water Charles River?

The structure is 31 ft (9.4 m) long with a longest span of 24 ft (7.3 m) and a deck 59 ft wide.

Who owns ST126 N Main ST over Water Charles River?

It is owned by the State Highway Agency.