US Bridges

HWY Swamp RD over Water Mill River

Good

Franklin County, Massachusetts · .4 MI SW of US RTE 5 · Structure no. W330030NXMUNNBI

Built
1993
32 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
1,422
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Swamp RD over Water Mill River is a concrete culvert carrying HWY Swamp RD over Water Mill River in Franklin County, Massachusetts. It was built in 1993, so it is 32 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 1,422 vehicles a day, roughly 7% of them trucks, projected to reach 1,579 by 2031. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesHWY Swamp RD
CrossesWater Mill River
Location.4 MI SW of US RTE 5
RouteCity Street 0
Coordinates42.44699, -72.63271
Functional classRural Local

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.6 US tons
Inventory rating46.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,422 (2016)
Projected traffic1,579 by 2031
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Swamp RD over Water Mill River built?

It was built in 1993, making it 32 years old in 2025.

What condition is HWY Swamp RD over Water Mill 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 2024.

How much traffic does HWY Swamp RD over Water Mill River carry?

About 1,422 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is HWY Swamp RD over Water Mill River?

The structure is 24 ft (7.2 m) long with a longest span of 11 ft (3.4 m).

Who owns HWY Swamp RD over Water Mill River?

It is owned by the Town or Township Highway Agency.