US Bridges

ST135 Dedham Ave over Water Charles River

Fair

Norfolk County, Massachusetts · 0.48 KM NW of ST 128 · Structure no. D05001366DOTNBI

Built
1909
116 years old
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete
Length
56 ft
2 main spans
Daily traffic
23,017
2023 count
Owner
State
State Highway Agency

About this bridge

ST135 Dedham Ave over Water Charles River is a concrete arch - deck carrying ST135 Dedham Ave over Water Charles River in Norfolk County, Massachusetts. It was built in 1909, so it is 116 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 23,017 vehicles a day, roughly 6% of them trucks, projected to reach 38,219 by 2032. The structure is 56 ft (17.1 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesST135 Dedham Ave
CrossesWater Charles River
Location0.48 KM NW of ST 128
RouteState Highway 135
CountyNorfolk County
StateMassachusetts
Coordinates42.26771, -71.21814
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span23 ft (7 m)
Deck width35 ft (10.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,017 (2023)
Projected traffic38,219 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST135 Dedham Ave over Water Charles River built?

It was built in 1909, making it 116 years old in 2025.

What condition is ST135 Dedham Ave over Water Charles River 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 July 2023.

How much traffic does ST135 Dedham Ave over Water Charles River carry?

About 23,017 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is ST135 Dedham Ave over Water Charles River?

The structure is 56 ft (17.1 m) long with a longest span of 23 ft (7 m) and a deck 35 ft wide.

Who owns ST135 Dedham Ave over Water Charles River?

It is owned by the State Highway Agency.