US Bridges

Interstate 84 over Franklin Street

Fair

Fairfield County, Connecticut · 0.5 Miles West Route 39 · Structure no. 01184

Built
1962
63 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
1 main span
Daily traffic
116,800
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 84 over Franklin Street is a steel stringer/multi-beam or girder carrying Interstate 84 over Franklin Street in Fairfield County, Connecticut. It was built in 1962, 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 116,800 vehicles a day, roughly 9% of them trucks, projected to reach 173,553 by 2038. The structure is 116 ft (35.4 m) long and 128 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesInterstate 84
CrossesFranklin Street
Location0.5 Miles West Route 39
RouteInterstate 84
Coordinates41.40112, -73.46897
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
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 rating49.3 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span107 ft (32.6 m)
Deck width128 ft (38.9 m)
Roadway width118 ft (36 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic116,800 (2018)
Projected traffic173,553 by 2038
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 84 over Franklin Street built?

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

What condition is Interstate 84 over Franklin Street 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 2023.

How much traffic does Interstate 84 over Franklin Street carry?

About 116,800 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Interstate 84 over Franklin Street?

The structure is 116 ft (35.4 m) long with a longest span of 107 ft (32.6 m) and a deck 128 ft wide.

Who owns Interstate 84 over Franklin Street?

It is owned by the State Highway Agency.