US Bridges

Newtown Turnpike over Route 15

Fair

Fairfield County, Connecticut · 0.4 MI S of Route 33 · Structure no. 00726

Built
1939
86 years old, rebuilt 2021
Condition
Fair
inspected August 2024
Type
Arch - Deck
Concrete
Length
100 ft
2 main spans
Daily traffic
3,200
2023 count
Owner
State
State Highway Agency

About this bridge

Newtown Turnpike over Route 15 is a concrete arch - deck carrying Newtown Turnpike over Route 15 in Fairfield County, Connecticut. It was built in 1939 and reconstructed in 2021, 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 3,200 vehicles a day, roughly 4% of them trucks, projected to reach 4,755 by 2043. The structure is 100 ft (30.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNewtown Turnpike
CrossesRoute 15
Location0.4 MI S of Route 33
RouteCity Street 0
Coordinates41.16336, -73.38349
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length100 ft (30.5 m)
Longest span46 ft (13.9 m)
Deck width51 ft (15.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic4,755 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Newtown Turnpike over Route 15 built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2021.

What condition is Newtown Turnpike 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 August 2024.

How much traffic does Newtown Turnpike over Route 15 carry?

About 3,200 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Newtown Turnpike over Route 15?

The structure is 100 ft (30.5 m) long with a longest span of 46 ft (13.9 m) and a deck 51 ft wide.

Who owns Newtown Turnpike over Route 15?

It is owned by the State Highway Agency.