US Bridges

Comstock Hill Aven over Route 15

Fair

Fairfield County, Connecticut · 0.8 MI S of US Route 7 · Structure no. 00716

Built
1938
87 years old, rebuilt 1989
Condition
Fair
inspected January 2025
Type
Frame
Concrete
Length
63 ft
1 main span
Daily traffic
1,500
2020 count
Owner
State
State Highway Agency

About this bridge

Comstock Hill Aven over Route 15 is a concrete frame carrying Comstock Hill Aven over Route 15 in Fairfield County, Connecticut. It was built in 1938 and reconstructed in 1989, so it is 87 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 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 1,500 vehicles a day, roughly 2% of them trucks, projected to reach 2,229 by 2040. The structure is 63 ft (19.2 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesComstock Hill Aven
CrossesRoute 15
Location0.8 MI S of US Route 7
RouteCity Street 0
Coordinates41.13757, -73.4449
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length63 ft (19.2 m)
Longest span63 ft (19.2 m)
Deck width35 ft (10.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2020)
Projected traffic2,229 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Comstock Hill Aven over Route 15 built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1989.

What condition is Comstock Hill Aven over Route 15 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 January 2025.

How much traffic does Comstock Hill Aven over Route 15 carry?

About 1,500 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Comstock Hill Aven over Route 15?

The structure is 63 ft (19.2 m) long with a longest span of 63 ft (19.2 m) and a deck 35 ft wide.

Who owns Comstock Hill Aven over Route 15?

It is owned by the State Highway Agency.