US Bridges

Stanwich Road over Route 15

Fair

Fairfield County, Connecticut · 7.5 MI East of State Line · Structure no. 00699

Built
1936
89 years old, rebuilt 1990
Condition
Fair
inspected December 2023
Type
Frame
Concrete
Length
74 ft
1 main span
Daily traffic
1,500
2020 count
Owner
State
State Highway Agency

About this bridge

Stanwich Road over Route 15 is a concrete frame carrying Stanwich Road over Route 15 in Fairfield County, Connecticut. It was built in 1936 and reconstructed in 1990, so it is 89 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 74 ft (22.6 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStanwich Road
CrossesRoute 15
Location7.5 MI East of State Line
RouteCity Street 0
Coordinates41.09732, -73.60356
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 inspectionDecember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span63 ft (19.2 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9.1 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
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 Stanwich Road over Route 15 built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1990.

What condition is Stanwich 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 December 2023.

How much traffic does Stanwich Road over Route 15 carry?

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

How long is Stanwich Road over Route 15?

The structure is 74 ft (22.6 m) long with a longest span of 63 ft (19.2 m) and a deck 37 ft wide.

Who owns Stanwich Road over Route 15?

It is owned by the State Highway Agency.