US Bridges

US 6 WB over ST 18 Ramp B

Good

Bristol County, Massachusetts · .7 MI W of Fairhvn T.L. · Structure no. N060303P1DOTNBI

Built
1973
52 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
2,357
2024 count
Owner
State
State Highway Agency

About this bridge

US 6 WB over ST 18 Ramp B is a steel stringer/multi-beam or girder carrying US 6 WB over ST 18 Ramp B in Bristol County, Massachusetts. It was built in 1973, so it is 52 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 2,357 vehicles a day, roughly 9% of them trucks, projected to reach 18,952 by 2033. The structure is 84 ft (25.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 6 WB
CrossesST 18 Ramp B
Location.7 MI W of Fairhvn T.L.
RouteU.S. Route 6
Coordinates41.63819, -70.92509
Functional classUrban Other Principal 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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length84 ft (25.6 m)
Longest span81 ft (24.7 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,357 (2024)
Projected traffic18,952 by 2033
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$2.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 6 WB over ST 18 Ramp B built?

It was built in 1973, making it 52 years old in 2025.

What condition is US 6 WB over ST 18 Ramp B 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 March 2024.

How much traffic does US 6 WB over ST 18 Ramp B carry?

About 2,357 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is US 6 WB over ST 18 Ramp B?

The structure is 84 ft (25.6 m) long with a longest span of 81 ft (24.7 m) and a deck 33 ft wide.

Who owns US 6 WB over ST 18 Ramp B?

It is owned by the State Highway Agency.