US Bridges

ST138 Broadway over I 495

Good

Bristol County, Massachusetts · ST 138 at I 495 · Structure no. R020253WGDOTNBI

Built
1978
47 years old, rebuilt 2015
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
2 main spans
Daily traffic
20,832
2022 count
Owner
State
State Highway Agency

About this bridge

ST138 Broadway over I 495 is a steel continuous stringer/multi-beam or girder carrying ST138 Broadway over I 495 in Bristol County, Massachusetts. It was built in 1978 and reconstructed in 2015, so it is 47 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 20,832 vehicles a day, roughly 6% of them trucks, projected to reach 60,013 by 2032. The structure is 242 ft (73.8 m) long and 94 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesST138 Broadway
CrossesI 495
LocationST 138 at I 495
RouteState Highway 138
Coordinates41.95906, -71.06902
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length242 ft (73.8 m)
Longest span119 ft (36.3 m)
Deck width94 ft (28.5 m)
Roadway width85 ft (26 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,832 (2022)
Projected traffic60,013 by 2032
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST138 Broadway over I 495 built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2015.

What condition is ST138 Broadway over I 495 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 May 2023.

How much traffic does ST138 Broadway over I 495 carry?

About 20,832 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is ST138 Broadway over I 495?

The structure is 242 ft (73.8 m) long with a longest span of 119 ft (36.3 m) and a deck 94 ft wide.

Who owns ST138 Broadway over I 495?

It is owned by the State Highway Agency.