US Bridges

Perry Avenue over Silvermine River

Fair

Fairfield County, Connecticut · 300-FT E. Silvermine RD · Structure no. 04130

Built
1899
126 years old, rebuilt 2008
Condition
Fair
inspected July 2024
Type
Arch - Deck
Masonry
Length
40 ft
1 main span
Daily traffic
1,415
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Perry Avenue over Silvermine River is a masonry arch - deck carrying Perry Avenue over Silvermine River in Fairfield County, Connecticut. It was built in 1899 and reconstructed in 2008, so it is 126 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 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 1,415 vehicles a day, roughly 4% of them trucks, projected to reach 2,103 by 2044. The structure is 40 ft (12.2 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPerry Avenue
CrossesSilvermine River
Location300-FT E. Silvermine RD
RouteCity Street 0
Coordinates41.15126, -73.44543
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width22 ft (6.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,415 (2024)
Projected traffic2,103 by 2044
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Perry Avenue over Silvermine River built?

It was built in 1899, making it 126 years old in 2025. It was reconstructed in 2008.

What condition is Perry Avenue over Silvermine 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 July 2024.

How much traffic does Perry Avenue over Silvermine River carry?

About 1,415 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Perry Avenue over Silvermine River?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 22 ft wide.

Who owns Perry Avenue over Silvermine River?

It is owned by the City or Municipal Highway Agency.