US Bridges

North Street over Rippowam River

Fair

Fairfield County, Connecticut · 0.2 MI W of Route 137 · Structure no. 03855

Built
1900
125 years old, rebuilt 1985
Condition
Fair
inspected March 2023
Type
Arch - Deck
Masonry
Length
83 ft
3 main spans
Daily traffic
7,750
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

North Street over Rippowam River is a masonry arch - deck carrying North Street over Rippowam River in Fairfield County, Connecticut. It was built in 1900 and reconstructed in 1985, so it is 125 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 7,750 vehicles a day, roughly 4% of them trucks, projected to reach 11,516 by 2043. The structure is 83 ft (25.3 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNorth Street
CrossesRippowam River
Location0.2 MI W of Route 137
RouteCity Street 0
Coordinates41.05904, -73.54656
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy8: Equal 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
DeckOther
Main spans3
Design loadUnknown
Structure length83 ft (25.3 m)
Longest span24 ft (7.3 m)
Deck width39 ft (12 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,750 (2023)
Projected traffic11,516 by 2043
Trucks4%
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

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 North Street over Rippowam River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1985.

What condition is North Street over Rippowam 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 2023.

How much traffic does North Street over Rippowam River carry?

About 7,750 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is North Street over Rippowam River?

The structure is 83 ft (25.3 m) long with a longest span of 24 ft (7.3 m) and a deck 39 ft wide.

Who owns North Street over Rippowam River?

It is owned by the City or Municipal Highway Agency.