US Bridges

Plattsville Road over Route 15

Fair

Fairfield County, Connecticut · 2.6 MI S of Route 25 · Structure no. 00746

Built
1939
86 years old
Condition
Fair
inspected February 2023
Type
Frame
Concrete
Length
76 ft
1 main span
Daily traffic
750
2020 count
Owner
State
State Highway Agency

About this bridge

Plattsville Road over Route 15 is a concrete frame carrying Plattsville Road over Route 15 in Fairfield County, Connecticut. It was built in 1939, so it is 86 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.

It carries about 750 vehicles a day, roughly 4% of them trucks, projected to reach 1,114 by 2040. The structure is 76 ft (23.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPlattsville Road
CrossesRoute 15
Location2.6 MI S of Route 25
RouteCity Street 0
Coordinates41.22986, -73.23875
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length76 ft (23.2 m)
Longest span76 ft (23.2 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic1,114 by 2040
Trucks4%
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 Plattsville Road over Route 15 built?

It was built in 1939, making it 86 years old in 2025.

What condition is Plattsville Road 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 February 2023.

How much traffic does Plattsville Road over Route 15 carry?

About 750 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Plattsville Road over Route 15?

The structure is 76 ft (23.2 m) long with a longest span of 76 ft (23.2 m) and a deck 36 ft wide.

Who owns Plattsville Road over Route 15?

It is owned by the State Highway Agency.