US Bridges

HWY Miner ST over TR Green Line D

Fair

Suffolk County, Massachusetts · Green Line/Fenway Sta Por · Structure no. B16495AAHMBTNBI

Built
1906
119 years old, rebuilt 1977
Condition
Fair
inspected November 2022
Type
Channel Beam
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
1,500
2013 count
Owner
State
Other State Agency

About this bridge

HWY Miner ST over TR Green Line D is a prestressed concrete channel beam carrying HWY Miner ST over TR Green Line D in Suffolk County, Massachusetts. It was built in 1906 and reconstructed in 1977, 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 1,500 vehicles a day, projected to reach 18,170 by 2031. The structure is 42 ft (12.8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Miner ST
CrossesTR Green Line D
LocationGreen Line/Fenway Sta Por
RouteCity Street 0
Coordinates42.34619, -71.10281
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating21.3 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span31 ft (9.4 m)
Deck width27 ft (8.1 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2013)
Projected traffic18,170 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State 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$1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Miner ST over TR Green Line D built?

It was built in 1906, making it 119 years old in 2025. It was reconstructed in 1977.

What condition is HWY Miner ST over TR Green Line D 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 November 2022.

How much traffic does HWY Miner ST over TR Green Line D carry?

About 1,500 vehicles per day (2013 count).

How long is HWY Miner ST over TR Green Line D?

The structure is 42 ft (12.8 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.

Who owns HWY Miner ST over TR Green Line D?

It is owned by the Other State Agency and maintained by the State Highway Agency.