US Bridges

Route 8 Northbound over Steele Brook

Fair

New Haven County, Connecticut · 1 Mile South of Exit 36 · Structure no. 01718

Built
1965
60 years old, rebuilt 1990
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
2 main spans
Daily traffic
26,300
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Northbound over Steele Brook is a steel stringer/multi-beam or girder carrying Route 8 Northbound over Steele Brook 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 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 26,300 vehicles a day, roughly 6% of them trucks, projected to reach 39,079 by 2041. The structure is 150 ft (45.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8 Northbound
CrossesSteele Brook
Location1 Mile South of Exit 36
RouteState Highway 8
Coordinates41.56844, -73.05694
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span76 ft (23.2 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,300 (2021)
Projected traffic39,079 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 8 Northbound over Steele Brook built?

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

What condition is Route 8 Northbound over Steele Brook 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 Northbound over Steele Brook carry?

About 26,300 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 8 Northbound over Steele Brook?

The structure is 150 ft (45.7 m) long with a longest span of 76 ft (23.2 m) and a deck 44 ft wide.

Who owns Route 8 Northbound over Steele Brook?

It is owned by the State Highway Agency.