US Bridges

HWY Saratoga ST over TR Blue Line

Fair

Suffolk County, Massachusetts · Over Blue Line · Structure no. B162144VTMBTNBI

Built
1913
112 years old, rebuilt 1995
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
96 ft
3 main spans
Daily traffic
34,400
2012 count
Owner
State
Other State Agency

About this bridge

HWY Saratoga ST over TR Blue Line is a prestressed concrete box beam or girders - multiple carrying HWY Saratoga ST over TR Blue Line in Suffolk County, Massachusetts. It was built in 1913 and reconstructed in 1995, so it is 112 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 34,400 vehicles a day, roughly 7% of them trucks, projected to reach 31,428 by 2032. The structure is 96 ft (29.3 m) long and 77 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHWY Saratoga ST
CrossesTR Blue Line
LocationOver Blue Line
RouteCity Street 0
Coordinates42.38645, -71.00605
Functional classUrban Minor 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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating89.4 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length96 ft (29.3 m)
Longest span47 ft (14.3 m)
Deck width77 ft (23.6 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,400 (2012)
Projected traffic31,428 by 2032
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of relocation of road
Estimated improvement cost$14.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Saratoga ST over TR Blue Line built?

It was built in 1913, making it 112 years old in 2025. It was reconstructed in 1995.

What condition is HWY Saratoga ST over TR Blue Line 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 January 2023.

How much traffic does HWY Saratoga ST over TR Blue Line carry?

About 34,400 vehicles per day (2012 count), of which roughly 7% are trucks.

How long is HWY Saratoga ST over TR Blue Line?

The structure is 96 ft (29.3 m) long with a longest span of 47 ft (14.3 m) and a deck 77 ft wide.

Who owns HWY Saratoga ST over TR Blue Line?

It is owned by the Other State Agency.