US Bridges

HWY Cave Hill RD over Water Sawmill River

Fair

Franklin County, Massachusetts · Just S of N Leverett RD · Structure no. L090100M5MUNNBI

Built
1900
125 years old, rebuilt 1954
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
72 ft
2 main spans
Daily traffic
1,551
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Cave Hill RD over Water Sawmill River is a steel continuous stringer/multi-beam or girder carrying HWY Cave Hill RD over Water Sawmill River in Franklin County, Massachusetts. It was built in 1900 and reconstructed in 1954, so it is 125 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 5 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 1,551 vehicles a day, roughly 3% of them trucks, projected to reach 2,448 by 2032. The structure is 72 ft (21.9 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHWY Cave Hill RD
CrossesWater Sawmill River
LocationJust S of N Leverett RD
RouteCity Street 0
Coordinates42.50742, -72.49215
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60 US tons
Inventory rating35.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length72 ft (21.9 m)
Longest span35 ft (10.7 m)
Deck width25 ft (7.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,551 (2017)
Projected traffic2,448 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Cave Hill RD over Water Sawmill River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1954.

What condition is HWY Cave Hill RD over Water Sawmill 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 2023.

How much traffic does HWY Cave Hill RD over Water Sawmill River carry?

About 1,551 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is HWY Cave Hill RD over Water Sawmill River?

The structure is 72 ft (21.9 m) long with a longest span of 35 ft (10.7 m) and a deck 25 ft wide.

Who owns HWY Cave Hill RD over Water Sawmill River?

It is owned by the Town or Township Highway Agency.