US Bridges

Interstate 84 WB over Route 188

Fair

New Haven County, Connecticut · .7 MI W of Exit 17 · Structure no. 01172

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
123 ft
3 main spans
Daily traffic
35,300
2021 count
Owner
State
State Highway Agency

About this bridge

Interstate 84 WB over Route 188 is a steel stringer/multi-beam or girder carrying Interstate 84 WB over Route 188 in New Haven County, Connecticut. It was built in 1964, so it is 61 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 35,300 vehicles a day, roughly 9% of them trucks, projected to reach 52,452 by 2041. The structure is 123 ft (37.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 84 WB
CrossesRoute 188
Location.7 MI W of Exit 17
RouteInterstate 84
Coordinates41.52598, -73.08894
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.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.3 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span58 ft (17.7 m)
Deck width44 ft (13.3 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,300 (2021)
Projected traffic52,452 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-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 84 WB over Route 188 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Interstate 84 WB over Route 188 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 December 2024.

How much traffic does Interstate 84 WB over Route 188 carry?

About 35,300 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Interstate 84 WB over Route 188?

The structure is 123 ft (37.5 m) long with a longest span of 58 ft (17.7 m) and a deck 44 ft wide.

Who owns Interstate 84 WB over Route 188?

It is owned by the State Highway Agency.