US Bridges

SR 502 -Spencer ST over INTERSTATE-384

Poor

Hartford County, Connecticut · 1 MI East of Eh Townline · Structure no. 03574

Built
1974
51 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
321 ft
2 main spans
Daily traffic
13,700
2021 count
Owner
State
State Highway Agency

About this bridge

SR 502 -Spencer ST over INTERSTATE-384 is a steel continuous stringer/multi-beam or girder carrying SR 502 -Spencer ST over INTERSTATE-384 in Hartford County, Connecticut. It was built in 1974, so it is 51 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 13,700 vehicles a day, roughly 5% of them trucks, projected to reach 20,357 by 2041. The structure is 321 ft (97.8 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 502 -Spencer ST
CrossesINTERSTATE-384
Location1 MI East of Eh Townline
RouteState Highway 502
CountyHartford County
StateConnecticut
Coordinates41.76629, -72.57471
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.3 US tons
Inventory rating11.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length321 ft (97.8 m)
Longest span164 ft (50 m)
Deck width66 ft (20 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,700 (2021)
Projected traffic20,357 by 2041
Trucks5%
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 SR 502 -Spencer ST over INTERSTATE-384 built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR 502 -Spencer ST over INTERSTATE-384 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does SR 502 -Spencer ST over INTERSTATE-384 carry?

About 13,700 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SR 502 -Spencer ST over INTERSTATE-384?

The structure is 321 ft (97.8 m) long with a longest span of 164 ft (50 m) and a deck 66 ft wide.

Who owns SR 502 -Spencer ST over INTERSTATE-384?

It is owned by the State Highway Agency.