US Bridges

HWY Access RD over Water Mill Creek

Fair

Suffolk County, Massachusetts · In Chelsea · Structure no. C09008AATDOTNBI

Built
1993
32 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
4,100
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Access RD over Water Mill Creek is a concrete culvert carrying HWY Access RD over Water Mill Creek in Suffolk 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 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 4,100 vehicles a day, roughly 10% of them trucks, projected to reach 36,918 by 2031. The structure is 32 ft (9.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY Access RD
CrossesWater Mill Creek
LocationIn Chelsea
RouteState Highway 107
Coordinates42.40524, -71.02165
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87.6 US tons
Inventory rating52.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2024)
Projected traffic36,918 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$956,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Access RD over Water Mill Creek built?

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

What condition is HWY Access RD over Water Mill Creek 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 December 2024.

How much traffic does HWY Access RD over Water Mill Creek carry?

About 4,100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is HWY Access RD over Water Mill Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns HWY Access RD over Water Mill Creek?

It is owned by the State Highway Agency.