US Bridges

Richmond Hill Ave over Rippowam River

Fair

Fairfield County, Connecticut · Opp Greenwich Ave · Structure no. 04064

Built
1957
68 years old, rebuilt 2010
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
108 ft
2 main spans
Daily traffic
10,200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Richmond Hill Ave over Rippowam River is a steel continuous stringer/multi-beam or girder carrying Richmond Hill Ave over Rippowam River in Fairfield County, Connecticut. It was built in 1957 and reconstructed in 2010, so it is 68 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 10,200 vehicles a day, roughly 4% of them trucks, projected to reach 15,156 by 2043. The structure is 108 ft (32.9 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRichmond Hill Ave
CrossesRippowam River
LocationOpp Greenwich Ave
RouteCity Street 0
Coordinates41.04811, -73.54539
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96.8 US tons
Inventory rating74.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span51 ft (15.5 m)
Deck width55 ft (16.9 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,200 (2023)
Projected traffic15,156 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 Richmond Hill Ave over Rippowam River built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2010.

What condition is Richmond Hill Ave 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 Richmond Hill Ave over Rippowam River carry?

About 10,200 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Richmond Hill Ave over Rippowam River?

The structure is 108 ft (32.9 m) long with a longest span of 51 ft (15.5 m) and a deck 55 ft wide.

Who owns Richmond Hill Ave over Rippowam River?

It is owned by the City or Municipal Highway Agency.