US Bridges

HWY Hartwell Ave over Water Kiln Brook

FairPosted for load

Middlesex County, Massachusetts · 1.1 KM SW of RTE 225 · Structure no. L100162BJMUNNBI

Built
1959
66 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
58 ft
3 main spans
Daily traffic
18,000
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Hartwell Ave over Water Kiln Brook is a concrete continuous slab carrying HWY Hartwell Ave over Water Kiln Brook in Middlesex 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 18,000 vehicles a day, roughly 4% of them trucks, projected to reach 39,482 by 2032. The structure is 58 ft (17.7 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesHWY Hartwell Ave
CrossesWater Kiln Brook
Location1.1 KM SW of RTE 225
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.46976, -71.25963
Functional classUrban Other Principal Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length58 ft (17.7 m)
Longest span18 ft (5.6 m)
Deck width46 ft (13.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2019)
Projected traffic39,482 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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$2.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Hartwell Ave over Water Kiln Brook built?

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

What condition is HWY Hartwell Ave over Water Kiln Brook 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 May 2024.

How much traffic does HWY Hartwell Ave over Water Kiln Brook carry?

About 18,000 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is HWY Hartwell Ave over Water Kiln Brook?

The structure is 58 ft (17.7 m) long with a longest span of 18 ft (5.6 m) and a deck 46 ft wide.

Who owns HWY Hartwell Ave over Water Kiln Brook?

It is owned by the Town or Township Highway Agency.