US Bridges

HWY Woburn ST over I 93

Fair

Middlesex County, Massachusetts · 0.6 MI S of ST-62 · Structure no. W380322MCDOTNBI

Built
1958
67 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
172 ft
2 main spans
Daily traffic
5,800
2025 count
Owner
State
State Highway Agency

About this bridge

HWY Woburn ST over I 93 is a steel continuous stringer/multi-beam or girder carrying HWY Woburn ST over I 93 in Middlesex County, Massachusetts. It was built in 1958, so it is 67 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 5,800 vehicles a day, roughly 2% of them trucks, projected to reach 8,844 by 2032. The structure is 172 ft (52.4 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 Woburn ST
CrossesI 93
Location0.6 MI S of ST-62
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.56931, -71.14683
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length172 ft (52.4 m)
Longest span83 ft (25.3 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2025)
Projected traffic8,844 by 2032
Trucks2%
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$7.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Woburn ST over I 93 built?

It was built in 1958, making it 67 years old in 2025.

What condition is HWY Woburn 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 January 2025.

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

About 5,800 vehicles per day (2025 count), of which roughly 2% are trucks.

How long is HWY Woburn ST over I 93?

The structure is 172 ft (52.4 m) long with a longest span of 83 ft (25.3 m) and a deck 50 ft wide.

Who owns HWY Woburn ST over I 93?

It is owned by the State Highway Agency.