US Bridges

Route 15 over Lane Street

FairPosted for load

New Haven County, Connecticut · 1.2 Mile West of Route 10 · Structure no. 00779

Built
1949
76 years old, rebuilt 1990
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
79,800
2019 count
Owner
State
State Highway Agency

About this bridge

Route 15 over Lane Street is a steel stringer/multi-beam or girder carrying Route 15 over Lane Street in New Haven County, Connecticut. It was built in 1949 and reconstructed in 1990, so it is 76 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. Its operating status is: posted for other load-capacity restriction.

It carries about 79,800 vehicles a day, roughly 1% of them trucks, projected to reach 118,575 by 2039. The structure is 79 ft (24.1 m) long and 80 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRoute 15
CrossesLane Street
Location1.2 Mile West of Route 10
RouteState Highway 15
Coordinates41.358, -72.94206
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span73 ft (22.3 m)
Deck width80 ft (24.4 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79,800 (2019)
Projected traffic118,575 by 2039
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 15 over Lane Street built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1990.

What condition is Route 15 over Lane Street 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 September 2024.

How much traffic does Route 15 over Lane Street carry?

About 79,800 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Route 15 over Lane Street?

The structure is 79 ft (24.1 m) long with a longest span of 73 ft (22.3 m) and a deck 80 ft wide.

Who owns Route 15 over Lane Street?

It is owned by the State Highway Agency.