US Bridges

I 95 SB/ST128 SB over HWY S Bedford ST

Poor

Middlesex County, Massachusetts · 0.5 MI SW Rt 95 & Rt 3A · Structure no. B290092ETDOTNBI

Built
1950
75 years old, rebuilt 1962
Condition
Poor
inspected August 2023
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
92,706
2017 count
Owner
State
State Highway Agency

About this bridge

I 95 SB/ST128 SB over HWY S Bedford ST is a concrete continuous slab carrying I 95 SB/ST128 SB over HWY S Bedford ST in Middlesex County, Massachusetts. It was built in 1950 and reconstructed in 1962, so it is 75 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 92,706 vehicles a day, roughly 10% of them trucks, projected to reach 148,217 by 2032. The structure is 133 ft (40.5 m) long and 71 ft wide.

CarriesI 95 SB/ST128 SB
CrossesHWY S Bedford ST
Location0.5 MI SW Rt 95 & Rt 3A
RouteInterstate 95
Coordinates42.48542, -71.19639
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.8 US tons
Inventory rating29.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length133 ft (40.5 m)
Longest span52 ft (15.8 m)
Deck width71 ft (21.5 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92,706 (2017)
Projected traffic148,217 by 2032
Trucks10%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$16.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 SB/ST128 SB over HWY S Bedford ST built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1962.

What condition is I 95 SB/ST128 SB over HWY S Bedford ST in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does I 95 SB/ST128 SB over HWY S Bedford ST carry?

About 92,706 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is I 95 SB/ST128 SB over HWY S Bedford ST?

The structure is 133 ft (40.5 m) long with a longest span of 52 ft (15.8 m) and a deck 71 ft wide.

Who owns I 95 SB/ST128 SB over HWY S Bedford ST?

It is owned by the State Highway Agency.