US Bridges

ST140 NB over ST 79 Myricks ST

Fair

Bristol County, Massachusetts · 3.2 MI So of Rt 24 · Structure no. T010503NKDOTNBI

Built
1959
66 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
1 main span
Daily traffic
12,252
2022 count
Owner
State
State Highway Agency

About this bridge

ST140 NB over ST 79 Myricks ST is a steel stringer/multi-beam or girder carrying ST140 NB over ST 79 Myricks ST in Bristol County, Massachusetts. It was built in 1959, so it is 66 years old, older 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 12,252 vehicles a day, roughly 5% of them trucks, projected to reach 29,533 by 2032. The structure is 64 ft (19.5 m) long and 51 ft wide.

Location

Open in Google Maps
CarriesST140 NB
CrossesST 79 Myricks ST
Location3.2 MI So of Rt 24
RouteState Highway 140
CountyBristol County
StateMassachusetts
Coordinates41.84096, -71.0088
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionOctober 2023
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 rating61.6 US tons
Inventory rating36.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length64 ft (19.5 m)
Longest span58 ft (17.7 m)
Deck width51 ft (15.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,252 (2022)
Projected traffic29,533 by 2032
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$605,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST140 NB over ST 79 Myricks ST built?

It was built in 1959, making it 66 years old in 2025.

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

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

About 12,252 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is ST140 NB over ST 79 Myricks ST?

The structure is 64 ft (19.5 m) long with a longest span of 58 ft (17.7 m) and a deck 51 ft wide.

Who owns ST140 NB over ST 79 Myricks ST?

It is owned by the State Highway Agency.