US Bridges

Route 40 NB Ramp 0 over I-91 NB TR 806

Fair

New Haven County, Connecticut · 0.6 MI W of Route 103 · Structure no. 03406B

Built
1972
53 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
331 ft
3 main spans
Daily traffic
2,500
2019 count
Owner
State
State Highway Agency

About this bridge

Route 40 NB Ramp 0 over I-91 NB TR 806 is a steel stringer/multi-beam or girder carrying Route 40 NB Ramp 0 over I-91 NB TR 806 in New Haven County, Connecticut. It was built in 1972, so it is 53 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 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 2,500 vehicles a day, roughly 6% of them trucks, projected to reach 3,715 by 2039. The structure is 331 ft (100.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRoute 40 NB Ramp 0
CrossesI-91 NB TR 806
Location0.6 MI W of Route 103
RouteState Highway 40
Coordinates41.37693, -72.86783
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 rating99 US tons
Inventory rating67 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length331 ft (100.9 m)
Longest span119 ft (36.3 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2019)
Projected traffic3,715 by 2039
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 40 NB Ramp 0 over I-91 NB TR 806 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Route 40 NB Ramp 0 over I-91 NB TR 806 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 March 2023.

How much traffic does Route 40 NB Ramp 0 over I-91 NB TR 806 carry?

About 2,500 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Route 40 NB Ramp 0 over I-91 NB TR 806?

The structure is 331 ft (100.9 m) long with a longest span of 119 ft (36.3 m) and a deck 26 ft wide.

Who owns Route 40 NB Ramp 0 over I-91 NB TR 806?

It is owned by the State Highway Agency.