US Bridges

HWY Minton RD over Comb Amtrak/Mbta & Orng

Fair

Suffolk County, Massachusetts · S of Stony Brook Station · Structure no. B163864VXMBTNBI

Built
1982
43 years old
Condition
Fair
inspected December 2023
Type
Frame
Concrete Continuous
Length
84 ft
2 main spans
Daily traffic
10,183
2022 count
Owner
State
Other State Agency

About this bridge

HWY Minton RD over Comb Amtrak/Mbta & Orng is a concrete continuous frame carrying HWY Minton RD over Comb Amtrak/Mbta & Orng in Suffolk County, Massachusetts. It was built in 1982, so it is 43 years old, younger 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 10,183 vehicles a day, roughly 7% of them trucks, projected to reach 16,082 by 2032. The structure is 84 ft (25.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Minton RD
CrossesComb Amtrak/Mbta & Orng
LocationS of Stony Brook Station
RouteCity Street 0
Coordinates42.31461, -71.10532
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating100 US tons
Inventory rating60.7 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span45 ft (13.7 m)
Deck width43 ft (13 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,183 (2022)
Projected traffic16,082 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Minton RD over Comb Amtrak/Mbta & Orng built?

It was built in 1982, making it 43 years old in 2025.

What condition is HWY Minton RD over Comb Amtrak/Mbta & Orng 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 December 2023.

How much traffic does HWY Minton RD over Comb Amtrak/Mbta & Orng carry?

About 10,183 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is HWY Minton RD over Comb Amtrak/Mbta & Orng?

The structure is 84 ft (25.6 m) long with a longest span of 45 ft (13.7 m) and a deck 43 ft wide.

Who owns HWY Minton RD over Comb Amtrak/Mbta & Orng?

It is owned by the Other State Agency.