US Bridges

HWY Saratoga ST over HWY Martin Coughlin by

Fair

Suffolk County, Massachusetts · .8 KM SW of Suffolk Downs · Structure no. B160703GXDOT634

Built
1906
119 years old, rebuilt 1978
Condition
Fair
inspected March 2024
Type
Girder and Floorbeam System
Steel
Length
102 ft
1 main span
Daily traffic
16,800
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Saratoga ST over HWY Martin Coughlin by is a steel girder and floorbeam system carrying HWY Saratoga ST over HWY Martin Coughlin by in Suffolk County, Massachusetts. It was built in 1906 and reconstructed in 1978, so it is 119 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 5 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 16,800 vehicles a day, roughly 3% of them trucks, projected to reach 25,585 by 2031. The structure is 102 ft (31.1 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Saratoga ST
CrossesHWY Martin Coughlin by
Location.8 KM SW of Suffolk Downs
CountySuffolk County
StateMassachusetts
Coordinates42.38111, -71.02443
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.5 US tons
Inventory rating35.6 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span96 ft (29.3 m)
Deck width50 ft (15.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,800 (2024)
Projected traffic25,585 by 2031
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Saratoga ST over HWY Martin Coughlin by built?

It was built in 1906, making it 119 years old in 2025. It was reconstructed in 1978.

What condition is HWY Saratoga ST over HWY Martin Coughlin by 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 March 2024.

How much traffic does HWY Saratoga ST over HWY Martin Coughlin by carry?

About 16,800 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is HWY Saratoga ST over HWY Martin Coughlin by?

The structure is 102 ft (31.1 m) long with a longest span of 96 ft (29.3 m) and a deck 50 ft wide.

Who owns HWY Saratoga ST over HWY Martin Coughlin by?

It is owned by the State Highway Agency.