US Bridges

I 93 over HWY Valley ST & Fllswy

Fair

Middlesex County, Massachusetts · .6 MI N of Jct. I93&SR60 · Structure no. M120303B9DOTNBI

Built
1961
64 years old, rebuilt 2011
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
135 ft
2 main spans
Daily traffic
210,316
2018 count
Owner
State
State Highway Agency

About this bridge

I 93 over HWY Valley ST & Fllswy is a steel stringer/multi-beam or girder carrying I 93 over HWY Valley ST & Fllswy in Middlesex County, Massachusetts. It was built in 1961 and reconstructed in 2011, so it is 64 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 6 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 210,316 vehicles a day, roughly 10% of them trucks, projected to reach 266,902 by 2033. The structure is 135 ft (41.1 m) long and 144 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 93
CrossesHWY Valley ST & Fllswy
Location.6 MI N of Jct. I93&SR60
RouteInterstate 93
CountyMiddlesex County
StateMassachusetts
Coordinates42.42599, -71.10324
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.7 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span89 ft (27.1 m)
Deck width144 ft (44 m)
Roadway width141 ft (43 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210,316 (2018)
Projected traffic266,902 by 2033
Trucks10%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 over HWY Valley ST & Fllswy built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2011.

What condition is I 93 over HWY Valley ST & Fllswy 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 2024.

How much traffic does I 93 over HWY Valley ST & Fllswy carry?

About 210,316 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is I 93 over HWY Valley ST & Fllswy?

The structure is 135 ft (41.1 m) long with a longest span of 89 ft (27.1 m) and a deck 144 ft wide.

Who owns I 93 over HWY Valley ST & Fllswy?

It is owned by the State Highway Agency.