US Bridges

HWY Walnut ST over ST 24

PoorPosted for load

Plymouth County, Massachusetts · .2 MI East of Manley Road · Structure no. W180203YRDOTNBI

Built
1953
72 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
125 ft
2 main spans
Daily traffic
1,966
2022 count
Owner
State
State Highway Agency

About this bridge

HWY Walnut ST over ST 24 is a steel stringer/multi-beam or girder carrying HWY Walnut ST over ST 24 in Plymouth County, Massachusetts. It was built in 1953, so it is 72 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,966 vehicles a day, roughly 6% of them trucks, projected to reach 3,948 by 2032. The structure is 125 ft (38.1 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Walnut ST
CrossesST 24
Location.2 MI East of Manley Road
RouteCity Street 0
Coordinates42.04146, -71.05482
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating23.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length125 ft (38.1 m)
Longest span58 ft (17.7 m)
Deck width38 ft (11.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,966 (2022)
Projected traffic3,948 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$9.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Walnut ST over ST 24 built?

It was built in 1953, making it 72 years old in 2025.

What condition is HWY Walnut ST over ST 24 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does HWY Walnut ST over ST 24 carry?

About 1,966 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is HWY Walnut ST over ST 24?

The structure is 125 ft (38.1 m) long with a longest span of 58 ft (17.7 m) and a deck 38 ft wide.

Who owns HWY Walnut ST over ST 24?

It is owned by the State Highway Agency.