US Bridges

Bancroft Road over I-84 & Bancroft Brook

Fair

Fairfield County, Connecticut · Between I-84 Exits 11&12 · Structure no. 04263

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
455 ft
3 main spans
Daily traffic
398
2024 count
Owner
State
State Highway Agency

About this bridge

Bancroft Road over I-84 & Bancroft Brook is a steel continuous stringer/multi-beam or girder carrying Bancroft Road over I-84 & Bancroft Brook in Fairfield County, Connecticut. It was built in 1979, so it is 46 years old, younger 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 398 vehicles a day, roughly 7% of them trucks, projected to reach 591 by 2044. The structure is 455 ft (138.7 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBancroft Road
CrossesI-84 & Bancroft Brook
LocationBetween I-84 Exits 11&12
RouteCity Street 0
Coordinates41.42998, -73.25112
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length455 ft (138.7 m)
Longest span150 ft (45.7 m)
Deck width41 ft (12.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic398 (2024)
Projected traffic591 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bancroft Road over I-84 & Bancroft Brook built?

It was built in 1979, making it 46 years old in 2025.

What condition is Bancroft Road over I-84 & Bancroft Brook 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 August 2024.

How much traffic does Bancroft Road over I-84 & Bancroft Brook carry?

About 398 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Bancroft Road over I-84 & Bancroft Brook?

The structure is 455 ft (138.7 m) long with a longest span of 150 ft (45.7 m) and a deck 41 ft wide.

Who owns Bancroft Road over I-84 & Bancroft Brook?

It is owned by the State Highway Agency.