US Bridges

Route 8 Southbound over Steele Brook

Fair

New Haven County, Connecticut · 1.2 Miles North of I-84 · Structure no. 01717

Built
1965
60 years old, rebuilt 1990
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
183 ft
2 main spans
Daily traffic
25,900
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Southbound over Steele Brook is a steel stringer/multi-beam or girder carrying Route 8 Southbound 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 25,900 vehicles a day, roughly 6% of them trucks, projected to reach 38,485 by 2041. The structure is 183 ft (55.8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8 Southbound
CrossesSteele Brook
Location1.2 Miles North of I-84
RouteState Highway 8
Coordinates41.56851, -73.0572
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 inspectionOctober 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span88 ft (26.8 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,900 (2021)
Projected traffic38,485 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 Southbound 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 Southbound 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 October 2023.

How much traffic does Route 8 Southbound over Steele Brook carry?

About 25,900 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 8 Southbound over Steele Brook?

The structure is 183 ft (55.8 m) long with a longest span of 88 ft (26.8 m) and a deck 44 ft wide.

Who owns Route 8 Southbound over Steele Brook?

It is owned by the State Highway Agency.