US Bridges

ST146 NB Off Ramp over Other Bikeway

Good

Worcester County, Massachusetts · I290 NB on Ramp · Structure no. W44152AKVDOTNBI

Built
2006
19 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
1 main span
Daily traffic
16,858
2023 count
Owner
State
State Highway Agency

About this bridge

ST146 NB Off Ramp over Other Bikeway is a steel stringer/multi-beam or girder carrying ST146 NB Off Ramp over Other Bikeway in Worcester County, Massachusetts. It was built in 2006, so it is 19 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 16,858 vehicles a day, roughly 7% of them trucks, projected to reach 25,269 by 2032. The structure is 78 ft (23.7 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST146 NB Off Ramp
CrossesOther Bikeway
LocationI290 NB on Ramp
RouteState Highway 146
CountyWorcester County
StateMassachusetts
Coordinates42.24538, -71.80224
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.8 US tons
Inventory rating57.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length78 ft (23.7 m)
Longest span75 ft (22.9 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,858 (2023)
Projected traffic25,269 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST146 NB Off Ramp over Other Bikeway built?

It was built in 2006, making it 19 years old in 2025.

What condition is ST146 NB Off Ramp over Other Bikeway 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 February 2025.

How much traffic does ST146 NB Off Ramp over Other Bikeway carry?

About 16,858 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is ST146 NB Off Ramp over Other Bikeway?

The structure is 78 ft (23.7 m) long with a longest span of 75 ft (22.9 m) and a deck 31 ft wide.

Who owns ST146 NB Off Ramp over Other Bikeway?

It is owned by the State Highway Agency.