US Bridges

Route 8 Southbound over Grand Street

Fair

Fairfield County, Connecticut · 1.6 MI N of I-95 · Structure no. 03552

Built
1969
56 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
44,200
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Southbound over Grand Street is a prestressed concrete stringer/multi-beam or girder carrying Route 8 Southbound over Grand Street in Fairfield County, Connecticut. It was built in 1969, so it is 56 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 44,200 vehicles a day, roughly 8% of them trucks, projected to reach 65,677 by 2041. The structure is 57 ft (17.4 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8 Southbound
CrossesGrand Street
Location1.6 MI N of I-95
RouteState Highway 8
Coordinates41.18982, -73.1939
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span52 ft (15.9 m)
Deck width69 ft (20.9 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,200 (2021)
Projected traffic65,677 by 2041
Trucks8%
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 Southbound over Grand Street built?

It was built in 1969, making it 56 years old in 2025.

What condition is Route 8 Southbound over Grand Street 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 June 2023.

How much traffic does Route 8 Southbound over Grand Street carry?

About 44,200 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Route 8 Southbound over Grand Street?

The structure is 57 ft (17.4 m) long with a longest span of 52 ft (15.9 m) and a deck 69 ft wide.

Who owns Route 8 Southbound over Grand Street?

It is owned by the State Highway Agency.