US Bridges

HWY Salem ST over I 93

Fair

Middlesex County, Massachusetts · 0.7 MI S RTE 128 · Structure no. W430352MEDOTNBI

Built
1957
68 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
235 ft
2 main spans
Daily traffic
15,400
2017 count
Owner
State
State Highway Agency

About this bridge

HWY Salem ST over I 93 is a steel continuous stringer/multi-beam or girder carrying HWY Salem ST over I 93 in Middlesex County, Massachusetts. It was built in 1957, so it is 68 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 15,400 vehicles a day, roughly 1% of them trucks, projected to reach 23,690 by 2032. The structure is 235 ft (71.6 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY Salem ST
CrossesI 93
Location0.7 MI S RTE 128
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.49082, -71.11779
Functional classUrban Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 alignment8: Equal to present desirable criteria
Operating rating88.8 US tons
Inventory rating53.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length235 ft (71.6 m)
Longest span114 ft (34.7 m)
Deck width50 ft (15.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,400 (2017)
Projected traffic23,690 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$10.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Salem ST over I 93 built?

It was built in 1957, making it 68 years old in 2025.

What condition is HWY Salem ST over I 93 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 March 2023.

How much traffic does HWY Salem ST over I 93 carry?

About 15,400 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is HWY Salem ST over I 93?

The structure is 235 ft (71.6 m) long with a longest span of 114 ft (34.7 m) and a deck 50 ft wide.

Who owns HWY Salem ST over I 93?

It is owned by the State Highway Agency.