US Bridges

HWY Jamaicaway over Other Peat Bog

FairPosted for load

Suffolk County, Massachusetts · .16 KM S of Huntington Av · Structure no. B162298XXDOTNBI

Built
1937
88 years old, rebuilt 1992
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
304 ft
10 main spans
Daily traffic
48,750
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Jamaicaway over Other Peat Bog is a concrete continuous tee beam carrying HWY Jamaicaway over Other Peat Bog in Suffolk County, Massachusetts. It was built in 1937 and reconstructed in 1992, so it is 88 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. Its operating status is: posted for other load-capacity restriction.

It carries about 48,750 vehicles a day, roughly 1% of them trucks, projected to reach 71,068 by 2032. The structure is 304 ft (92.7 m) long and 76 ft wide.

Location

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CarriesHWY Jamaicaway
CrossesOther Peat Bog
Location.16 KM S of Huntington Av
RouteU.S. Route 1
CountySuffolk County
StateMassachusetts
Coordinates42.33044, -71.11275
Functional classUrban Other Principal 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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.9 US tons
Inventory rating31.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadH 20
Structure length304 ft (92.7 m)
Longest span31 ft (9.4 m)
Deck width76 ft (23.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,750 (2023)
Projected traffic71,068 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed—
TollOn a free road
National Highway SystemYes

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$21 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Jamaicaway over Other Peat Bog built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1992.

What condition is HWY Jamaicaway over Other Peat Bog 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 October 2023.

How much traffic does HWY Jamaicaway over Other Peat Bog carry?

About 48,750 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is HWY Jamaicaway over Other Peat Bog?

The structure is 304 ft (92.7 m) long with a longest span of 31 ft (9.4 m) and a deck 76 ft wide.

Who owns HWY Jamaicaway over Other Peat Bog?

It is owned by the State Highway Agency.