US Bridges

HWY High ST over RR Mbta/Csx

Good

Middlesex County, Massachusetts · 1 MI W Main & Pleasant · Structure no. A14022AGPDOT634

Built
1999
26 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
274 ft
3 main spans
Daily traffic
2,000
2024 count
Owner
State
State Highway Agency

About this bridge

HWY High ST over RR Mbta/Csx is a steel continuous stringer/multi-beam or girder carrying HWY High ST over RR Mbta/Csx in Middlesex County, Massachusetts. It was built in 1999, so it is 26 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 2,000 vehicles a day, roughly 2% of them trucks, projected to reach 2,764 by 2033. The structure is 274 ft (83.6 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY High ST
CrossesRR Mbta/Csx
Location1 MI W Main & Pleasant
RouteCity Street 0
Coordinates42.26164, -71.48409
Functional classUrban Local

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 inspectionFebruary 2024
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 alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating91.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length274 ft (83.6 m)
Longest span112 ft (34.1 m)
Deck width37 ft (11.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2024)
Projected traffic2,764 by 2033
Trucks2%
Lanes on structure2
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$9.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY High ST over RR Mbta/Csx built?

It was built in 1999, making it 26 years old in 2025.

What condition is HWY High ST over RR Mbta/Csx 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 February 2024.

How much traffic does HWY High ST over RR Mbta/Csx carry?

About 2,000 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is HWY High ST over RR Mbta/Csx?

The structure is 274 ft (83.6 m) long with a longest span of 112 ft (34.1 m) and a deck 37 ft wide.

Who owns HWY High ST over RR Mbta/Csx?

It is owned by the State Highway Agency.