US Bridges

Route 8 Northbound over Capitol Avenue

Good

Fairfield County, Connecticut · 2.4 Miles North of I-95 · Structure no. 03765

Built
1972
53 years old, rebuilt 2016
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
1 main span
Daily traffic
41,100
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Northbound over Capitol Avenue is a steel stringer/multi-beam or girder carrying Route 8 Northbound over Capitol Avenue in Fairfield County, Connecticut. It was built in 1972 and reconstructed in 2016, so it is 53 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 41,100 vehicles a day, roughly 5% of them trucks, projected to reach 61,070 by 2041. The structure is 98 ft (30 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8 Northbound
CrossesCapitol Avenue
Location2.4 Miles North of I-95
RouteState Highway 8
Coordinates41.20076, -73.1931
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length98 ft (30 m)
Longest span91 ft (27.7 m)
Deck width72 ft (21.8 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,100 (2021)
Projected traffic61,070 by 2041
Trucks5%
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 Northbound over Capitol Avenue built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2016.

What condition is Route 8 Northbound over Capitol Avenue in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Route 8 Northbound over Capitol Avenue carry?

About 41,100 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Route 8 Northbound over Capitol Avenue?

The structure is 98 ft (30 m) long with a longest span of 91 ft (27.7 m) and a deck 72 ft wide.

Who owns Route 8 Northbound over Capitol Avenue?

It is owned by the State Highway Agency.