US Bridges

US 1 Washngton ST over RR Amtrak/Mbta

Fair

Bristol County, Massachusetts · RR MP 191.13 · Structure no. A160343YXDOT634

Built
1937
88 years old
Condition
Fair
inspected July 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
94 ft
3 main spans
Daily traffic
34,267
2022 count
Owner
State
State Highway Agency

About this bridge

US 1 Washngton ST over RR Amtrak/Mbta is a steel continuous stringer/multi-beam or girder carrying US 1 Washngton ST over RR Amtrak/Mbta in Bristol County, Massachusetts. It was built in 1937, so it is 88 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 34,267 vehicles a day, roughly 11% of them trucks, projected to reach 44,852 by 2031. The structure is 94 ft (28.8 m) long and 65 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesUS 1 Washngton ST
CrossesRR Amtrak/Mbta
LocationRR MP 191.13
RouteU.S. Route 1
CountyBristol County
StateMassachusetts
Coordinates41.89496, -71.37101
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length94 ft (28.8 m)
Longest span40 ft (12.2 m)
Deck width65 ft (19.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,267 (2022)
Projected traffic44,852 by 2031
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$4.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1 Washngton ST over RR Amtrak/Mbta built?

It was built in 1937, making it 88 years old in 2025.

What condition is US 1 Washngton ST over RR Amtrak/Mbta 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 July 2022.

How much traffic does US 1 Washngton ST over RR Amtrak/Mbta carry?

About 34,267 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is US 1 Washngton ST over RR Amtrak/Mbta?

The structure is 94 ft (28.8 m) long with a longest span of 40 ft (12.2 m) and a deck 65 ft wide.

Who owns US 1 Washngton ST over RR Amtrak/Mbta?

It is owned by the State Highway Agency.