US Bridges

ST140 SB Rmp ST18 over ST140 NB

Fair

Bristol County, Massachusetts · .9 MI N of Phillips RD · Structure no. N060263Q2DOTNBI

Built
1964
61 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
118 ft
1 main span
Daily traffic
5,007
2023 count
Owner
State
State Highway Agency

About this bridge

ST140 SB Rmp ST18 over ST140 NB is a steel stringer/multi-beam or girder carrying ST140 SB Rmp ST18 over ST140 NB in Bristol County, Massachusetts. It was built in 1964, so it is 61 years old, younger 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 5,007 vehicles a day, roughly 4% of them trucks, projected to reach 10,265 by 2031. The structure is 118 ft (36 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST140 SB Rmp ST18
CrossesST140 NB
Location.9 MI N of Phillips RD
RouteState Highway 140
Coordinates41.71184, -70.93924
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.4 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length118 ft (36 m)
Longest span115 ft (35.1 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,007 (2023)
Projected traffic10,265 by 2031
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$794,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST140 SB Rmp ST18 over ST140 NB built?

It was built in 1964, making it 61 years old in 2025.

What condition is ST140 SB Rmp ST18 over ST140 NB 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 July 2024.

How much traffic does ST140 SB Rmp ST18 over ST140 NB carry?

About 5,007 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is ST140 SB Rmp ST18 over ST140 NB?

The structure is 118 ft (36 m) long with a longest span of 115 ft (35.1 m) and a deck 36 ft wide.

Who owns ST140 SB Rmp ST18 over ST140 NB?

It is owned by the State Highway Agency.