US Bridges

I-84 TR 810 over Route 8 NB & Ramp 128

Fair

New Haven County, Connecticut · Route 84 WB Exit 20 · Structure no. 03191E

Built
1967
58 years old, rebuilt 1990
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
630 ft
8 main spans
Daily traffic
14,300
2021 count
Owner
State
State Highway Agency

About this bridge

I-84 TR 810 over Route 8 NB & Ramp 128 is a steel stringer/multi-beam or girder carrying I-84 TR 810 over Route 8 NB & Ramp 128 in New Haven County, Connecticut. It was built in 1967 and reconstructed in 1990, so it is 58 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 14,300 vehicles a day, roughly 9% of them trucks, projected to reach 21,248 by 2041. The structure is 630 ft (192 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-84 TR 810
CrossesRoute 8 NB & Ramp 128
LocationRoute 84 WB Exit 20
RouteInterstate 84
CountyNew Haven County
StateConnecticut
Coordinates41.55206, -73.05265
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 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating85.3 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length630 ft (192 m)
Longest span89 ft (27.1 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic14,300 (2021)
Projected traffic21,248 by 2041
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-84 TR 810 over Route 8 NB & Ramp 128 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1990.

What condition is I-84 TR 810 over Route 8 NB & Ramp 128 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 I-84 TR 810 over Route 8 NB & Ramp 128 carry?

About 14,300 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is I-84 TR 810 over Route 8 NB & Ramp 128?

The structure is 630 ft (192 m) long with a longest span of 89 ft (27.1 m) and a deck 35 ft wide.

Who owns I-84 TR 810 over Route 8 NB & Ramp 128?

It is owned by the State Highway Agency.