US Bridges

HWY Malbone ST over Water Cedar Swamp River

Fair

Plymouth County, Massachusetts · .5 MI SW of Pierce ST · Structure no. L0100844FMUNNBI

Built
1959
66 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
2,143
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Malbone ST over Water Cedar Swamp River is a concrete continuous slab carrying HWY Malbone ST over Water Cedar Swamp River in Plymouth County, Massachusetts. It was built in 1959, so it is 66 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 2,143 vehicles a day, roughly 20% of them trucks, projected to reach 3,885 by 2032. The structure is 45 ft (13.7 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY Malbone ST
CrossesWater Cedar Swamp River
Location.5 MI SW of Pierce ST
RouteCity Street 0
Coordinates41.81992, -71.02712
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length45 ft (13.7 m)
Longest span14 ft (4.3 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,143 (2024)
Projected traffic3,885 by 2032
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Malbone ST over Water Cedar Swamp River built?

It was built in 1959, making it 66 years old in 2025.

What condition is HWY Malbone ST over Water Cedar Swamp 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 April 2024.

How much traffic does HWY Malbone ST over Water Cedar Swamp River carry?

About 2,143 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is HWY Malbone ST over Water Cedar Swamp River?

The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.3 m) and a deck 34 ft wide.

Who owns HWY Malbone ST over Water Cedar Swamp River?

It is owned by the Town or Township Highway Agency.