US Bridges

Seventh Street over Route 8

Fair

New Haven County, Connecticut · 1.5 MI N Naugtk/Watbry Tl · Structure no. 03182

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
200 ft
2 main spans
Daily traffic
1,700
2020 count
Owner
State
State Highway Agency

About this bridge

Seventh Street over Route 8 is a steel stringer/multi-beam or girder carrying Seventh Street over Route 8 in New Haven County, Connecticut. It was built in 1965, 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 1,700 vehicles a day, roughly 5% of them trucks, projected to reach 2,526 by 2040. The structure is 200 ft (61 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSeventh Street
CrossesRoute 8
Location1.5 MI N Naugtk/Watbry Tl
RouteCity Street 0
CountyNew Haven County
StateConnecticut
Coordinates41.53703, -73.04394
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length200 ft (61 m)
Longest span105 ft (32 m)
Deck width38 ft (11.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2020)
Projected traffic2,526 by 2040
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Seventh Street over Route 8 built?

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

What condition is Seventh Street over Route 8 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 October 2023.

How much traffic does Seventh Street over Route 8 carry?

About 1,700 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Seventh Street over Route 8?

The structure is 200 ft (61 m) long with a longest span of 105 ft (32 m) and a deck 38 ft wide.

Who owns Seventh Street over Route 8?

It is owned by the State Highway Agency.