US Bridges

US 1 Conn Rps A&b over I 95 /St 128

Poor

Essex County, Massachusetts · .2 MI E of US-1 · Structure no. P030232VNDOTNBI

Built
1959
66 years old, rebuilt 2008
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
243 ft
4 main spans
Daily traffic
34,500
2024 count
Owner
State
State Highway Agency

About this bridge

US 1 Conn Rps A&b over I 95 /St 128 is a steel stringer/multi-beam or girder carrying US 1 Conn Rps A&b over I 95 /St 128 in Essex County, Massachusetts. It was built in 1959 and reconstructed in 2008, so it is 66 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 34,500 vehicles a day, roughly 5% of them trucks, projected to reach 93,810 by 2032. The structure is 243 ft (74.1 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 1 Conn Rps A&b
CrossesI 95 /St 128
Location.2 MI E of US-1
RouteInterstate 95
Coordinates42.51955, -70.99364
Functional classUrban Principal Arterial - Other Freeway or Expressway

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 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 geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating40.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length243 ft (74.1 m)
Longest span86 ft (26.2 m)
Deck width77 ft (23.5 m)
Roadway width72 ft (21.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,500 (2024)
Projected traffic93,810 by 2032
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$17.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1 Conn Rps A&b over I 95 /St 128 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2008.

What condition is US 1 Conn Rps A&b over I 95 /St 128 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 May 2023.

How much traffic does US 1 Conn Rps A&b over I 95 /St 128 carry?

About 34,500 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is US 1 Conn Rps A&b over I 95 /St 128?

The structure is 243 ft (74.1 m) long with a longest span of 86 ft (26.2 m) and a deck 77 ft wide.

Who owns US 1 Conn Rps A&b over I 95 /St 128?

It is owned by the State Highway Agency.