US Bridges

Mather Street over Farmington Canal Greenwa

Fair

New Haven County, Connecticut · 0.1 MI E of Route 10 · Structure no. 03739

Built
1942
83 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
4,800
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mather Street over Farmington Canal Greenwa is a concrete slab carrying Mather Street over Farmington Canal Greenwa in New Haven County, Connecticut. It was built in 1942, so it is 83 years old, older than the Connecticut average of 56.7 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 4,800 vehicles a day, roughly 3% of them trucks, projected to reach 7,132 by 2041. The structure is 38 ft (11.6 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMather Street
CrossesFarmington Canal Greenwa
Location0.1 MI E of Route 10
RouteCity Street 0
Coordinates41.35826, -72.92395
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment6: Equal to present minimum criteria
Operating rating95.1 US tons
Inventory rating57.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length38 ft (11.6 m)
Longest span32 ft (9.8 m)
Deck width46 ft (14 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2021)
Projected traffic7,132 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mather Street over Farmington Canal Greenwa built?

It was built in 1942, making it 83 years old in 2025.

What condition is Mather Street over Farmington Canal Greenwa 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 November 2023.

How much traffic does Mather Street over Farmington Canal Greenwa carry?

About 4,800 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Mather Street over Farmington Canal Greenwa?

The structure is 38 ft (11.6 m) long with a longest span of 32 ft (9.8 m) and a deck 46 ft wide.

Who owns Mather Street over Farmington Canal Greenwa?

It is owned by the Town or Township Highway Agency.