US Bridges

Ponus Ridge Road over Collins Pond

Good

Fairfield County, Connecticut · 500NORTH of Clearview LA · Structure no. 05002

Built
1957
68 years old, rebuilt 2023
Condition
Good
inspected January 2023
Type
Slab
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
1,460
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Ponus Ridge Road over Collins Pond is a prestressed concrete slab carrying Ponus Ridge Road over Collins Pond in Fairfield County, Connecticut. It was built in 1957 and reconstructed in 2023, so it is 68 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 1,460 vehicles a day, roughly 7% of them trucks, projected to reach 2,169 by 2044. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPonus Ridge Road
CrossesCollins Pond
Location500NORTH of Clearview LA
RouteCity Street 0
Coordinates41.16154, -73.53849
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating53.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,460 (2024)
Projected traffic2,169 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.5 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ponus Ridge Road over Collins Pond built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2023.

What condition is Ponus Ridge Road over Collins Pond 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 January 2023.

How much traffic does Ponus Ridge Road over Collins Pond carry?

About 1,460 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ponus Ridge Road over Collins Pond?

The structure is 38 ft (11.6 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns Ponus Ridge Road over Collins Pond?

It is owned by the Town or Township Highway Agency.