US Bridges

Interstate 84 over Saw Mill Road

Fair

Fairfield County, Connecticut · Exit 1 · Structure no. 05760

Built
1962
63 years old, rebuilt 1989
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
69,200
2021 count
Owner
State
State Highway Agency

About this bridge

Interstate 84 over Saw Mill Road is a steel stringer/multi-beam or girder carrying Interstate 84 over Saw Mill Road in Fairfield County, Connecticut. It was built in 1962 and reconstructed in 1989, so it is 63 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 69,200 vehicles a day, roughly 9% of them trucks, projected to reach 102,824 by 2041. The structure is 47 ft (14.3 m) long and 118 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 84
CrossesSaw Mill Road
LocationExit 1
RouteInterstate 84
Coordinates41.38962, -73.54031
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating60 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span43 ft (13.1 m)
Deck width118 ft (36.1 m)
Roadway width82 ft (24.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69,200 (2021)
Projected traffic102,824 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 84 over Saw Mill Road built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1989.

What condition is Interstate 84 over Saw Mill Road 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 Interstate 84 over Saw Mill Road carry?

About 69,200 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Interstate 84 over Saw Mill Road?

The structure is 47 ft (14.3 m) long with a longest span of 43 ft (13.1 m) and a deck 118 ft wide.

Who owns Interstate 84 over Saw Mill Road?

It is owned by the State Highway Agency.