US Bridges

Prospect Avenue over Interstate 84

Good

Hartford County, Connecticut · 0.33 MI E of Oakwood Ave · Structure no. 01758

Built
1965
60 years old, rebuilt 2015
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
228 ft
2 main spans
Daily traffic
9,800
2021 count
Owner
State
State Highway Agency

About this bridge

Prospect Avenue over Interstate 84 is a steel continuous stringer/multi-beam or girder carrying Prospect Avenue over Interstate 84 in Hartford County, Connecticut. It was built in 1965 and reconstructed in 2015, so it is 60 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,800 vehicles a day, roughly 4% of them trucks, projected to reach 14,562 by 2041. The structure is 228 ft (69.5 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesProspect Avenue
CrossesInterstate 84
Location0.33 MI E of Oakwood Ave
RouteCity Street 0
Coordinates41.74991, -72.71513
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.7 US tons
Inventory rating53.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length228 ft (69.5 m)
Longest span131 ft (39.9 m)
Deck width63 ft (19.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2021)
Projected traffic14,562 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Prospect Avenue over Interstate 84 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2015.

What condition is Prospect Avenue over Interstate 84 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Prospect Avenue over Interstate 84 carry?

About 9,800 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Prospect Avenue over Interstate 84?

The structure is 228 ft (69.5 m) long with a longest span of 131 ft (39.9 m) and a deck 63 ft wide.

Who owns Prospect Avenue over Interstate 84?

It is owned by the State Highway Agency.