US Bridges

East Rocks Road over Route 15

Good

Fairfield County, Connecticut · 1.54 MI So of Westport Tl · Structure no. 00723

Built
1938
87 years old, rebuilt 2012
Condition
Good
inspected February 2024
Type
Frame
Concrete
Length
79 ft
1 main span
Daily traffic
2,800
2020 count
Owner
State
State Highway Agency

About this bridge

East Rocks Road over Route 15 is a concrete frame carrying East Rocks Road over Route 15 in Fairfield County, Connecticut. It was built in 1938 and reconstructed in 2012, 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 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 2,800 vehicles a day, roughly 4% of them trucks, projected to reach 4,161 by 2040. The structure is 79 ft (24.1 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEast Rocks Road
CrossesRoute 15
Location1.54 MI So of Westport Tl
RouteCity Street 0
Coordinates41.14899, -73.41131
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating61.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span69 ft (21 m)
Deck width37 ft (11.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2020)
Projected traffic4,161 by 2040
Trucks4%
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 East Rocks Road over Route 15 built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2012.

What condition is East Rocks Road 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 February 2024.

How much traffic does East Rocks Road over Route 15 carry?

About 2,800 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is East Rocks Road over Route 15?

The structure is 79 ft (24.1 m) long with a longest span of 69 ft (21 m) and a deck 37 ft wide.

Who owns East Rocks Road over Route 15?

It is owned by the State Highway Agency.