US Bridges

INTERSTATE-95 over Unquowa Road

Fair

Fairfield County, Connecticut · 0.5 MI S of Route 135 · Structure no. 00083

Built
1958
67 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
130,500
2023 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-95 over Unquowa Road is a steel stringer/multi-beam or girder carrying INTERSTATE-95 over Unquowa Road in Fairfield County, Connecticut. It was built in 1958, so it is 67 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 130,500 vehicles a day, roughly 9% of them trucks, projected to reach 193,910 by 2043. The structure is 79 ft (24.2 m) long and 156 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesINTERSTATE-95
CrossesUnquowa Road
Location0.5 MI S of Route 135
RouteInterstate 95
Coordinates41.14604, -73.25959
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 rating61.8 US tons
Inventory rating47.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length79 ft (24.2 m)
Longest span74 ft (22.6 m)
Deck width156 ft (47.5 m)
Roadway width146 ft (44.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130,500 (2023)
Projected traffic193,910 by 2043
Trucks9%
Lanes on structure8
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 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-95 over Unquowa Road built?

It was built in 1958, making it 67 years old in 2025.

What condition is INTERSTATE-95 over Unquowa 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 October 2024.

How much traffic does INTERSTATE-95 over Unquowa Road carry?

About 130,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is INTERSTATE-95 over Unquowa Road?

The structure is 79 ft (24.2 m) long with a longest span of 74 ft (22.6 m) and a deck 156 ft wide.

Who owns INTERSTATE-95 over Unquowa Road?

It is owned by the State Highway Agency.