US Bridges

ST104 S Main ST over Water Forge River

Good

Bristol County, Massachusetts · 1 MI NE of US 44 · Structure no. R020013VGDOTNBI

Built
1965
60 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
13,190
2023 count
Owner
State
State Highway Agency

About this bridge

ST104 S Main ST over Water Forge River is a concrete culvert carrying ST104 S Main ST over Water Forge River in Bristol County, Massachusetts. It was built in 1965, so it is 60 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 13,190 vehicles a day, roughly 6% of them trucks, projected to reach 16,140 by 2032. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesST104 S Main ST
CrossesWater Forge River
Location1 MI NE of US 44
RouteState Highway 104
CountyBristol County
StateMassachusetts
Coordinates41.91394, -71.06228
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,190 (2023)
Projected traffic16,140 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$301,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST104 S Main ST over Water Forge River built?

It was built in 1965, making it 60 years old in 2025.

What condition is ST104 S Main ST over Water Forge 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 July 2023.

How much traffic does ST104 S Main ST over Water Forge River carry?

About 13,190 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is ST104 S Main ST over Water Forge River?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns ST104 S Main ST over Water Forge River?

It is owned by the State Highway Agency.