US Bridges

Route 59 over Route 15

Fair

Fairfield County, Connecticut · At Exit 46 · Structure no. 00744

Built
1936
89 years old, rebuilt 1995
Condition
Fair
inspected February 2024
Type
Frame
Concrete
Length
84 ft
1 main span
Daily traffic
12,000
2022 count
Owner
State
State Highway Agency

About this bridge

Route 59 over Route 15 is a concrete frame carrying Route 59 over Route 15 in Fairfield County, Connecticut. It was built in 1936 and reconstructed in 1995, 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 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 12,000 vehicles a day, roughly 4% of them trucks, projected to reach 17,831 by 2042. The structure is 84 ft (25.6 m) long and 54 ft wide.

CarriesRoute 59
CrossesRoute 15
LocationAt Exit 46
RouteState Highway 59
Coordinates41.22082, -73.25446
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating30.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span81 ft (24.6 m)
Deck width54 ft (16.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2022)
Projected traffic17,831 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Route 59 over Route 15 built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1995.

What condition is Route 59 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 2024.

How much traffic does Route 59 over Route 15 carry?

About 12,000 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Route 59 over Route 15?

The structure is 84 ft (25.6 m) long with a longest span of 81 ft (24.6 m) and a deck 54 ft wide.

Who owns Route 59 over Route 15?

It is owned by the State Highway Agency.