US Bridges

ST 38 Main ST over Water Aberjona River

Fair

Middlesex County, Massachusetts · .16 Km. E. of Rt. 38 · Structure no. W400042DAMUNNBI

Built
1915
110 years old
Condition
Fair
inspected December 2023
Type
Arch - Deck
Concrete
Length
35 ft
1 main span
Daily traffic
10,732
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

ST 38 Main ST over Water Aberjona River is a concrete arch - deck carrying ST 38 Main ST over Water Aberjona River in Middlesex County, Massachusetts. It was built in 1915, so it is 110 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 10,732 vehicles a day, roughly 10% of them trucks, projected to reach 14,909 by 2032. The structure is 35 ft (10.7 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST 38 Main ST
CrossesWater Aberjona River
Location.16 Km. E. of Rt. 38
RouteCity Street 0
Coordinates42.45165, -71.13604
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating101.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width73 ft (22.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,732 (2019)
Projected traffic14,909 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$479,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 38 Main ST over Water Aberjona River built?

It was built in 1915, making it 110 years old in 2025.

What condition is ST 38 Main ST over Water Aberjona 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 December 2023.

How much traffic does ST 38 Main ST over Water Aberjona River carry?

About 10,732 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is ST 38 Main ST over Water Aberjona River?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 73 ft wide.

Who owns ST 38 Main ST over Water Aberjona River?

It is owned by the Town or Township Highway Agency.