US Bridges

Route 40 NB over US Route 5

Fair

New Haven County, Connecticut · At Exit 1 Northbound · Structure no. 03412

Built
1972
53 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
1 main span
Daily traffic
9,800
2022 count
Owner
State
State Highway Agency

About this bridge

Route 40 NB over US Route 5 is a steel stringer/multi-beam or girder carrying Route 40 NB over US Route 5 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 9,800 vehicles a day, roughly 6% of them trucks, projected to reach 14,562 by 2042. The structure is 98 ft (29.9 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 40 NB
CrossesUS Route 5
LocationAt Exit 1 Northbound
RouteState Highway 40
CountyNew Haven County
StateConnecticut
Coordinates41.37836, -72.88053
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span94 ft (28.7 m)
Deck width58 ft (17.7 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2022)
Projected traffic14,562 by 2042
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 40 NB over US Route 5 built?

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

What condition is Route 40 NB over US Route 5 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 December 2024.

How much traffic does Route 40 NB over US Route 5 carry?

About 9,800 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Route 40 NB over US Route 5?

The structure is 98 ft (29.9 m) long with a longest span of 94 ft (28.7 m) and a deck 58 ft wide.

Who owns Route 40 NB over US Route 5?

It is owned by the State Highway Agency.