US Bridges

HWY West ST over RR Mbta/Csx

Good

Norfolk County, Massachusetts · Btwn Plain ST & Cedar ST · Structure no. W03021412DOT634

Built
1991
34 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
5,560
2023 count
Owner
State
State Highway Agency

About this bridge

HWY West ST over RR Mbta/Csx is a steel stringer/multi-beam or girder carrying HWY West ST over RR Mbta/Csx in Norfolk County, Massachusetts. It was built in 1991, so it is 34 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,560 vehicles a day, roughly 16% of them trucks, projected to reach 10,897 by 2032. The structure is 69 ft (21 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHWY West ST
CrossesRR Mbta/Csx
LocationBtwn Plain ST & Cedar ST
RouteCity Street 0
CountyNorfolk County
StateMassachusetts
Coordinates42.13643, -71.28384
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span66 ft (20.1 m)
Deck width42 ft (12.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,560 (2023)
Projected traffic10,897 by 2032
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.7 mi (6 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$1.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY West ST over RR Mbta/Csx built?

It was built in 1991, making it 34 years old in 2025.

What condition is HWY West ST over RR Mbta/Csx in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does HWY West ST over RR Mbta/Csx carry?

About 5,560 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is HWY West ST over RR Mbta/Csx?

The structure is 69 ft (21 m) long with a longest span of 66 ft (20.1 m) and a deck 42 ft wide.

Who owns HWY West ST over RR Mbta/Csx?

It is owned by the State Highway Agency.