US Bridges

HWY Nthrlnds RD over Water Muddy River

Fair

Suffolk County, Massachusetts · Brookline Line · Structure no. B16193392MUNNBI

Built
1892
133 years old
Condition
Fair
inspected January 2025
Type
Arch - Deck
Masonry
Length
44 ft
1 main span
Daily traffic
2,100
2025 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Nthrlnds RD over Water Muddy River is a masonry arch - deck carrying HWY Nthrlnds RD over Water Muddy River in Suffolk County, Massachusetts. It was built in 1892, so it is 133 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 2,100 vehicles a day, projected to reach 8,528 by 2032. The structure is 44 ft (13.4 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHWY Nthrlnds RD
CrossesWater Muddy River
LocationBrookline Line
RouteCity Street 0
CountySuffolk County
StateMassachusetts
Coordinates42.33731, -71.11151
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating68.1 US tons
Inventory rating68 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width47 ft (14.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2025)
Projected traffic8,528 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Nthrlnds RD over Water Muddy River built?

It was built in 1892, making it 133 years old in 2025.

What condition is HWY Nthrlnds RD over Water Muddy 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 January 2025.

How much traffic does HWY Nthrlnds RD over Water Muddy River carry?

About 2,100 vehicles per day (2025 count).

How long is HWY Nthrlnds RD over Water Muddy River?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 47 ft wide.

Who owns HWY Nthrlnds RD over Water Muddy River?

It is owned by the City or Municipal Highway Agency.