US Bridges

Route 15 over Cross Highway

FairPosted for load

Fairfield County, Connecticut · 3.5 MI S of Route 58 · Structure no. 00734

Built
1938
87 years old
Condition
Fair
inspected June 2024
Type
Arch - Deck
Concrete
Length
36 ft
1 main span
Daily traffic
56,700
2022 count
Owner
State
State Highway Agency

About this bridge

Route 15 over Cross Highway is a concrete arch - deck carrying Route 15 over Cross Highway in Fairfield County, Connecticut. It was built in 1938, 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 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. Its operating status is: posted for other load-capacity restriction.

It carries about 56,700 vehicles a day, roughly 1% of them trucks, projected to reach 84,251 by 2042. The structure is 36 ft (11 m) long and 74 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesRoute 15
CrossesCross Highway
Location3.5 MI S of Route 58
RouteState Highway 15
Coordinates41.17414, -73.32196
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating102 US tons
Inventory rating61.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span36 ft (11 m)
Deck width74 ft (22.7 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,700 (2022)
Projected traffic84,251 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

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 15 over Cross Highway built?

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

What condition is Route 15 over Cross Highway 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 June 2024.

How much traffic does Route 15 over Cross Highway carry?

About 56,700 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route 15 over Cross Highway?

The structure is 36 ft (11 m) long with a longest span of 36 ft (11 m) and a deck 74 ft wide.

Who owns Route 15 over Cross Highway?

It is owned by the State Highway Agency.