US Bridges

Wire Mill Road over Route 15

Fair

Fairfield County, Connecticut · 0.4 MI North of Route 104 · Structure no. 00704

Built
1938
87 years old
Condition
Fair
inspected November 2024
Type
Frame
Concrete
Length
68 ft
1 main span
Daily traffic
4,362
2024 count
Owner
State
State Highway Agency

About this bridge

Wire Mill Road over Route 15 is a concrete frame carrying Wire Mill Road over Route 15 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.

It carries about 4,362 vehicles a day, roughly 4% of them trucks, projected to reach 6,481 by 2044. The structure is 68 ft (20.7 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWire Mill Road
CrossesRoute 15
Location0.4 MI North of Route 104
RouteCity Street 0
Coordinates41.10639, -73.55917
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.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating44 US tons
Inventory rating34 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length68 ft (20.7 m)
Longest span68 ft (20.7 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,362 (2024)
Projected traffic6,481 by 2044
Trucks4%
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 Wire Mill Road over Route 15 built?

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

What condition is Wire Mill 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 November 2024.

How much traffic does Wire Mill Road over Route 15 carry?

About 4,362 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Wire Mill Road over Route 15?

The structure is 68 ft (20.7 m) long with a longest span of 68 ft (20.7 m) and a deck 37 ft wide.

Who owns Wire Mill Road over Route 15?

It is owned by the State Highway Agency.