US Bridges

Route 8 Southbound over Pan Am So. RR Spur Line

Fair

New Haven County, Connecticut · Between Exits 35 & 36 · Structure no. 01720

Built
1964
61 years old, rebuilt 1993
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
144 ft
3 main spans
Daily traffic
27,050
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Southbound over Pan Am So. RR Spur Line is a steel continuous stringer/multi-beam or girder carrying Route 8 Southbound over Pan Am So. RR Spur Line in New Haven County, Connecticut. It was built in 1964 and reconstructed in 1993, so it is 61 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 27,050 vehicles a day, roughly 6% of them trucks, projected to reach 40,194 by 2041. The structure is 144 ft (43.9 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRoute 8 Southbound
CrossesPan Am So. RR Spur Line
LocationBetween Exits 35 & 36
RouteState Highway 8
CountyNew Haven County
StateConnecticut
Coordinates41.56988, -73.05632
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 rating36.8 US tons
Inventory rating28.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span48 ft (14.6 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,050 (2021)
Projected traffic40,194 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 Pan Am So. RR Spur Line built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1993.

What condition is Route 8 Southbound over Pan Am So. RR Spur Line 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 Pan Am So. RR Spur Line carry?

About 27,050 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 8 Southbound over Pan Am So. RR Spur Line?

The structure is 144 ft (43.9 m) long with a longest span of 48 ft (14.6 m) and a deck 44 ft wide.

Who owns Route 8 Southbound over Pan Am So. RR Spur Line?

It is owned by the State Highway Agency.