US Bridges

HWY Lexington ST over RR Mbta/Bmrr

Fair

Middlesex County, Massachusetts · Waverly Sq near ST 60 · Structure no. B070062MNDOT634

Built
1952
73 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
26,120
2019 count
Owner
State
State Highway Agency

About this bridge

HWY Lexington ST over RR Mbta/Bmrr is a steel stringer/multi-beam or girder carrying HWY Lexington ST over RR Mbta/Bmrr in Middlesex County, Massachusetts. It was built in 1952, so it is 73 years old, older 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 5 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 26,120 vehicles a day, roughly 3% of them trucks, projected to reach 23,847 by 2031. The structure is 57 ft (17.4 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Lexington ST
CrossesRR Mbta/Bmrr
LocationWaverly Sq near ST 60
RouteCity Street 0
Coordinates42.38739, -71.19118
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating40.1 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length57 ft (17.4 m)
Longest span53 ft (16.1 m)
Deck width77 ft (23.5 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,120 (2019)
Projected traffic23,847 by 2031
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1952, making it 73 years old in 2025.

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

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

About 26,120 vehicles per day (2019 count), of which roughly 3% are trucks.

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

The structure is 57 ft (17.4 m) long with a longest span of 53 ft (16.1 m) and a deck 77 ft wide.

Who owns HWY Lexington ST over RR Mbta/Bmrr?

It is owned by the State Highway Agency.