US Bridges

I-84 TR 818 over SR 508 Eastbound

Fair

Hartford County, Connecticut · I-84 EB Exit 39 Off Ramp · Structure no. 03500

Built
1969
56 years old, rebuilt 1990
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
230 ft
3 main spans
Daily traffic
5,200
2021 count
Owner
State
State Highway Agency

About this bridge

I-84 TR 818 over SR 508 Eastbound is a steel stringer/multi-beam or girder carrying I-84 TR 818 over SR 508 Eastbound in Hartford County, Connecticut. It was built in 1969 and reconstructed in 1990, so it is 56 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 5,200 vehicles a day, roughly 9% of them trucks, projected to reach 7,727 by 2041. The structure is 230 ft (70 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-84 TR 818
CrossesSR 508 Eastbound
LocationI-84 EB Exit 39 Off Ramp
RouteInterstate 84
Coordinates41.72277, -72.79534
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 inspectionApril 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 rating109.9 US tons
Inventory rating65.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length230 ft (70 m)
Longest span92 ft (28 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2021)
Projected traffic7,727 by 2041
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 I-84 TR 818 over SR 508 Eastbound built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1990.

What condition is I-84 TR 818 over SR 508 Eastbound 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 April 2024.

How much traffic does I-84 TR 818 over SR 508 Eastbound carry?

About 5,200 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is I-84 TR 818 over SR 508 Eastbound?

The structure is 230 ft (70 m) long with a longest span of 92 ft (28 m) and a deck 31 ft wide.

Who owns I-84 TR 818 over SR 508 Eastbound?

It is owned by the State Highway Agency.