US Bridges

HWY Forest ST over Water Town River

Good

Plymouth County, Massachusetts · 1.05M from River ST · Structure no. W1800644TMUNNBI

Built
1978
47 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
42 ft
1 main span
Daily traffic
100
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Forest ST over Water Town River is a wood or timber stringer/multi-beam or girder carrying HWY Forest ST over Water Town River in Plymouth County, Massachusetts. It was built in 1978, so it is 47 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, projected to reach 158 by 2032. The structure is 42 ft (12.8 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHWY Forest ST
CrossesWater Town River
Location1.05M from River ST
RouteCity Street 0
Coordinates42.00131, -71.01869
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating28.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span39 ft (11.9 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic158 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$710,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Forest ST over Water Town River built?

It was built in 1978, making it 47 years old in 2025.

What condition is HWY Forest ST over Water Town River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does HWY Forest ST over Water Town River carry?

About 100 vehicles per day (2023 count).

How long is HWY Forest ST over Water Town River?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (11.9 m) and a deck 18 ft wide.

Who owns HWY Forest ST over Water Town River?

It is owned by the Town or Township Highway Agency.