US Bridges

Studio Road over Rippowam River

Fair

Fairfield County, Connecticut · 700 from Wire Mill Road · Structure no. 05506

Built
2005
20 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
62
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Studio Road over Rippowam River is a prestressed concrete box beam or girders - multiple carrying Studio Road over Rippowam River in Fairfield County, Connecticut. It was built in 2005, so it is 20 years old, younger 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 62 vehicles a day, roughly 2% of them trucks, projected to reach 92 by 2043. The structure is 64 ft (19.5 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesStudio Road
CrossesRippowam River
Location700 from Wire Mill Road
RouteCity Street 0
Coordinates41.11135, -73.55475
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating81.1 US tons
Inventory rating47.3 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2023)
Projected traffic92 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Studio Road over Rippowam River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Studio Road 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 Studio Road over Rippowam River carry?

About 62 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Studio Road over Rippowam River?

The structure is 64 ft (19.5 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Studio Road over Rippowam River?

It is owned by the City or Municipal Highway Agency.