US Bridges

ST 27 Main ST over Water Fort Pond Brook

Fair

Middlesex County, Massachusetts · 1 Mi. S. of School ST · Structure no. A02012286DOTNBI

Built
1900
125 years old
Condition
Fair
inspected February 2024
Type
Arch - Deck
Masonry
Length
22 ft
1 main span
Daily traffic
9,069
2022 count
Owner
State
State Highway Agency

About this bridge

ST 27 Main ST over Water Fort Pond Brook is a masonry arch - deck carrying ST 27 Main ST over Water Fort Pond Brook in Middlesex County, Massachusetts. It was built in 1900, 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 6 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 9,069 vehicles a day, roughly 2% of them trucks, projected to reach 19,425 by 2033. The structure is 22 ft (6.7 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesST 27 Main ST
CrossesWater Fort Pond Brook
Location1 Mi. S. of School ST
RouteState Highway 27
Coordinates42.45941, -71.45418
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
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110 US tons
Inventory rating109.9 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width50 ft (15.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,069 (2022)
Projected traffic19,425 by 2033
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 ST 27 Main ST over Water Fort Pond Brook built?

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

What condition is ST 27 Main ST over Water Fort Pond 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 February 2024.

How much traffic does ST 27 Main ST over Water Fort Pond Brook carry?

About 9,069 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is ST 27 Main ST over Water Fort Pond Brook?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 50 ft wide.

Who owns ST 27 Main ST over Water Fort Pond Brook?

It is owned by the State Highway Agency.