US Bridges

ST140 SB over ST 79 Myricks ST

Good

Bristol County, Massachusetts · 3.2 Mi. So. of Route 24 · Structure no. T010563NLDOTNBI

Built
1970
55 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
96 ft
1 main span
Daily traffic
14,553
2022 count
Owner
State
State Highway Agency

About this bridge

ST140 SB over ST 79 Myricks ST is a steel stringer/multi-beam or girder carrying ST140 SB over ST 79 Myricks ST in Bristol County, Massachusetts. It was built in 1970, so it is 55 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 14,553 vehicles a day, roughly 5% of them trucks, projected to reach 12,950 by 2032. The structure is 96 ft (29.3 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesST140 SB
CrossesST 79 Myricks ST
Location3.2 Mi. So. of Route 24
RouteState Highway 140
Coordinates41.8408, -71.00933
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating42.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length96 ft (29.3 m)
Longest span93 ft (28.3 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,553 (2022)
Projected traffic12,950 by 2032
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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$842,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST140 SB over ST 79 Myricks ST built?

It was built in 1970, making it 55 years old in 2025.

What condition is ST140 SB over ST 79 Myricks 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 October 2023.

How much traffic does ST140 SB over ST 79 Myricks ST carry?

About 14,553 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is ST140 SB over ST 79 Myricks ST?

The structure is 96 ft (29.3 m) long with a longest span of 93 ft (28.3 m) and a deck 42 ft wide.

Who owns ST140 SB over ST 79 Myricks ST?

It is owned by the State Highway Agency.