US Bridges

I 93 Off Ramp NB over HWY West ST

Fair

Norfolk County, Massachusetts · 1 MI N of JCT I93&128 · Structure no. Q010443BADOTNBI

Built
1956
69 years old, rebuilt 1984
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
6,878
2022 count
Owner
State
State Highway Agency

About this bridge

I 93 Off Ramp NB over HWY West ST is a steel stringer/multi-beam or girder carrying I 93 Off Ramp NB over HWY West ST in Norfolk County, Massachusetts. It was built in 1956 and reconstructed in 1984, so it is 69 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 6,878 vehicles a day, roughly 6% of them trucks, projected to reach 23,374 by 2031. The structure is 52 ft (15.9 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI 93 Off Ramp NB
CrossesHWY West ST
Location1 MI N of JCT I93&128
RouteInterstate 93
CountyNorfolk County
StateMassachusetts
Coordinates42.24026, -71.02442
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.9 m)
Longest span51 ft (15.4 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,878 (2022)
Projected traffic23,374 by 2031
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$451,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Off Ramp NB over HWY West ST built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1984.

What condition is I 93 Off Ramp NB over HWY West ST 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 September 2023.

How much traffic does I 93 Off Ramp NB over HWY West ST carry?

About 6,878 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is I 93 Off Ramp NB over HWY West ST?

The structure is 52 ft (15.9 m) long with a longest span of 51 ft (15.4 m) and a deck 25 ft wide.

Who owns I 93 Off Ramp NB over HWY West ST?

It is owned by the State Highway Agency.