US Bridges

HWY Meriam ST over RR Mbta/Bmrr

Good

Middlesex County, Massachusetts · Just Off Main ST · Structure no. W01001AL9DOT634

Built
2001
24 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
1,422
2019 count
Owner
State
State Highway Agency

About this bridge

HWY Meriam ST over RR Mbta/Bmrr is a prestressed concrete slab carrying HWY Meriam ST over RR Mbta/Bmrr in Middlesex County, Massachusetts. It was built in 2001, so it is 24 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 1,422 vehicles a day, projected to reach 2,211 by 2032. The structure is 46 ft (14 m) long and 34 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesHWY Meriam ST
CrossesRR Mbta/Bmrr
LocationJust Off Main ST
RouteCity Street 0
Coordinates42.48984, -71.06945
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88.3 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span40 ft (12.2 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic1,422 (2019)
Projected traffic2,211 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed4.3 mi (7 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Meriam ST over RR Mbta/Bmrr built?

It was built in 2001, making it 24 years old in 2025.

What condition is HWY Meriam ST over RR Mbta/Bmrr 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 October 2023.

How much traffic does HWY Meriam ST over RR Mbta/Bmrr carry?

About 1,422 vehicles per day (2019 count).

How long is HWY Meriam ST over RR Mbta/Bmrr?

The structure is 46 ft (14 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.

Who owns HWY Meriam ST over RR Mbta/Bmrr?

It is owned by the State Highway Agency.