US Bridges

ST 38 Main ST over RR Bmrr

Fair

Middlesex County, Massachusetts · 0.4 MI Sely Rt 495 · Structure no. T030082NGDOT634

Built
1938
87 years old, rebuilt 1991
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
158 ft
3 main spans
Daily traffic
29,095
2018 count
Owner
State
State Highway Agency

About this bridge

ST 38 Main ST over RR Bmrr is a steel continuous stringer/multi-beam or girder carrying ST 38 Main ST over RR Bmrr in Middlesex County, Massachusetts. It was built in 1938 and reconstructed in 1991, so it is 87 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 29,095 vehicles a day, roughly 11% of them trucks, projected to reach 44,378 by 2031. The structure is 158 ft (48.2 m) long and 56 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesST 38 Main ST
CrossesRR Bmrr
Location0.4 MI Sely Rt 495
RouteState Highway 38
CountyMiddlesex County
StateMassachusetts
Coordinates42.62465, -71.26663
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
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 geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87.7 US tons
Inventory rating52.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length158 ft (48.2 m)
Longest span51 ft (15.5 m)
Deck width56 ft (17.2 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,095 (2018)
Projected traffic44,378 by 2031
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.1 mi (5 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$8.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 38 Main ST over RR Bmrr built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1991.

What condition is ST 38 Main ST over RR 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 January 2025.

How much traffic does ST 38 Main ST over RR Bmrr carry?

About 29,095 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is ST 38 Main ST over RR Bmrr?

The structure is 158 ft (48.2 m) long with a longest span of 51 ft (15.5 m) and a deck 56 ft wide.

Who owns ST 38 Main ST over RR Bmrr?

It is owned by the State Highway Agency.