US Bridges

ST 18 NB Ramp ST 6 over HWY Elm ST

Good

Bristol County, Massachusetts · .1 MI South of RT6 · Structure no. N06042B9WMUNNBI

Built
2013
12 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
103 ft
1 main span
Daily traffic
5,690
2025 count
Owner
City
City or Municipal Highway Agency

About this bridge

ST 18 NB Ramp ST 6 over HWY Elm ST is a steel stringer/multi-beam or girder carrying ST 18 NB Ramp ST 6 over HWY Elm ST in Bristol County, Massachusetts. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,690 vehicles a day, roughly 7% of them trucks. The structure is 103 ft (31.4 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesST 18 NB Ramp ST 6
CrossesHWY Elm ST
Location.1 MI South of RT6
RouteU.S. Route 6
Coordinates41.63712, -70.92222
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length103 ft (31.4 m)
Longest span88 ft (26.7 m)
Deck width37 ft (11.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,690 (2025)
Projected traffic—
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$895,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 18 NB Ramp ST 6 over HWY Elm ST built?

It was built in 2013, making it 12 years old in 2025.

What condition is ST 18 NB Ramp ST 6 over HWY Elm ST 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 January 2025.

How much traffic does ST 18 NB Ramp ST 6 over HWY Elm ST carry?

About 5,690 vehicles per day (2025 count), of which roughly 7% are trucks.

How long is ST 18 NB Ramp ST 6 over HWY Elm ST?

The structure is 103 ft (31.4 m) long with a longest span of 88 ft (26.7 m) and a deck 37 ft wide.

Who owns ST 18 NB Ramp ST 6 over HWY Elm ST?

It is owned by the City or Municipal Highway Agency.