US Bridges

SR 503 Eastbound over I-84&AMTRAK&LOCAL Rds

Fair

Hartford County, Connecticut · .26 Miles S of JCT I-84WB · Structure no. 03401B

Built
1969
56 years old, rebuilt 2011
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,335 ft
16 main spans
Daily traffic
10,000
2021 count
Owner
State
State Highway Agency

About this bridge

SR 503 Eastbound over I-84&AMTRAK&LOCAL Rds is a steel stringer/multi-beam or girder carrying SR 503 Eastbound over I-84&AMTRAK&LOCAL Rds in Hartford County, Connecticut. It was built in 1969 and reconstructed in 2011, 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 5 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 10,000 vehicles a day, roughly 15% of them trucks, projected to reach 14,859 by 2041. The structure is 1,335 ft (407 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesSR 503 Eastbound
CrossesI-84&AMTRAK&LOCAL Rds
Location.26 Miles S of JCT I-84WB
RouteState Highway 503
CountyHartford County
StateConnecticut
Coordinates41.76109, -72.69888
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans16
Design loadHS 20
Structure length1,335 ft (407 m)
Longest span105 ft (32 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck13 ft (4.1 m)

Traffic and service

Average daily traffic10,000 (2021)
Projected traffic14,859 by 2041
Trucks15%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 503 Eastbound over I-84&AMTRAK&LOCAL Rds built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2011.

What condition is SR 503 Eastbound over I-84&AMTRAK&LOCAL Rds 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 2023.

How much traffic does SR 503 Eastbound over I-84&AMTRAK&LOCAL Rds carry?

About 10,000 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is SR 503 Eastbound over I-84&AMTRAK&LOCAL Rds?

The structure is 1,335 ft (407 m) long with a longest span of 105 ft (32 m) and a deck 35 ft wide.

Who owns SR 503 Eastbound over I-84&AMTRAK&LOCAL Rds?

It is owned by the State Highway Agency.