US Bridges

Lake Avenue over Route 15

Good

Fairfield County, Connecticut · 4.8 MI S of Route 104 · Structure no. 00696

Built
1940
85 years old, rebuilt 2018
Condition
Good
inspected October 2023
Type
Frame
Steel Continuous
Length
109 ft
2 main spans
Daily traffic
1,800
2020 count
Owner
State
State Highway Agency

About this bridge

Lake Avenue over Route 15 is a steel continuous frame carrying Lake Avenue over Route 15 in Fairfield County, Connecticut. It was built in 1940 and reconstructed in 2018, so it is 85 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,800 vehicles a day, roughly 2% of them trucks, projected to reach 2,675 by 2040. The structure is 109 ft (33.2 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLake Avenue
CrossesRoute 15
Location4.8 MI S of Route 104
RouteCity Street 0
Coordinates41.09565, -73.64879
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating69.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeFrame
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length109 ft (33.2 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2020)
Projected traffic2,675 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lake Avenue over Route 15 built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2018.

What condition is Lake Avenue over Route 15 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Lake Avenue over Route 15 carry?

About 1,800 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Lake Avenue over Route 15?

The structure is 109 ft (33.2 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns Lake Avenue over Route 15?

It is owned by the State Highway Agency.