US Bridges

West Street over Still River

Fair

Fairfield County, Connecticut · 0.8 MI West of Route 53 · Structure no. 03702

Built
1925
100 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Masonry
Length
31 ft
2 main spans
Daily traffic
16,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

West Street over Still River is a masonry arch - deck carrying West Street over Still River in Fairfield County, Connecticut. It was built in 1925, so it is 100 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 16,000 vehicles a day, roughly 6% of them trucks, projected to reach 23,774 by 2042. The structure is 31 ft (9.4 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWest Street
CrossesStill River
Location0.8 MI West of Route 53
RouteCity Street 0
Coordinates41.39311, -73.46237
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span12 ft (3.7 m)
Deck width50 ft (15.3 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2022)
Projected traffic23,774 by 2042
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

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

Frequently asked questions

When was West Street over Still River built?

It was built in 1925, making it 100 years old in 2025.

What condition is West Street over Still 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 March 2024.

How much traffic does West Street over Still River carry?

About 16,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is West Street over Still River?

The structure is 31 ft (9.4 m) long with a longest span of 12 ft (3.7 m) and a deck 50 ft wide.

Who owns West Street over Still River?

It is owned by the City or Municipal Highway Agency.