US Bridges

Route 8 Southbound over US Route 1 North Ave

Fair

Fairfield County, Connecticut · 1.9 MI N. of I95 · Structure no. 03559

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
130 ft
1 main span
Daily traffic
54,300
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Southbound over US Route 1 North Ave is a steel stringer/multi-beam or girder carrying Route 8 Southbound over US Route 1 North Ave in Fairfield County, Connecticut. It was built in 1970, so it is 55 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 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 54,300 vehicles a day, roughly 6% of them trucks, projected to reach 80,684 by 2041. The structure is 130 ft (39.6 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8 Southbound
CrossesUS Route 1 North Ave
Location1.9 MI N. of I95
RouteState Highway 8
Coordinates41.19385, -73.19536
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionSeptember 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.6 US tons
Inventory rating63.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span124 ft (37.8 m)
Deck width81 ft (24.7 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,300 (2021)
Projected traffic80,684 by 2041
Trucks6%
Lanes on structure5
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 Southbound over US Route 1 North Ave built?

It was built in 1970, making it 55 years old in 2025.

What condition is Route 8 Southbound over US Route 1 North Ave 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 September 2023.

How much traffic does Route 8 Southbound over US Route 1 North Ave carry?

About 54,300 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 8 Southbound over US Route 1 North Ave?

The structure is 130 ft (39.6 m) long with a longest span of 124 ft (37.8 m) and a deck 81 ft wide.

Who owns Route 8 Southbound over US Route 1 North Ave?

It is owned by the State Highway Agency.