US Bridges

Route 8 SB over Riverside Street SB

Fair

New Haven County, Connecticut · Route 8 SB at Exit 33 · Structure no. 03205

Built
1965
60 years old, rebuilt 1990
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
1 main span
Daily traffic
25,500
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 SB over Riverside Street SB is a steel stringer/multi-beam or girder carrying Route 8 SB over Riverside Street SB in New Haven County, Connecticut. It was built in 1965 and reconstructed in 1990, so it is 60 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 25,500 vehicles a day, roughly 6% of them trucks, projected to reach 37,890 by 2041. The structure is 117 ft (35.7 m) long and 108 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8 SB
CrossesRiverside Street SB
LocationRoute 8 SB at Exit 33
RouteState Highway 8
Coordinates41.555, -73.0556
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span95 ft (29 m)
Deck width108 ft (32.9 m)
Roadway width77 ft (23.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,500 (2021)
Projected traffic37,890 by 2041
Trucks6%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 8 SB over Riverside Street SB built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1990.

What condition is Route 8 SB over Riverside Street SB 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 November 2023.

How much traffic does Route 8 SB over Riverside Street SB carry?

About 25,500 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 8 SB over Riverside Street SB?

The structure is 117 ft (35.7 m) long with a longest span of 95 ft (29 m) and a deck 108 ft wide.

Who owns Route 8 SB over Riverside Street SB?

It is owned by the State Highway Agency.