US Bridges

SR 503 Westbound over AMTRAK & Capitol Avenue

Fair

Hartford County, Connecticut · 0.50MI E from Exit 46 I84 · Structure no. 03402A

Built
1969
56 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
501 ft
6 main spans
Daily traffic
9,100
2021 count
Owner
State
State Highway Agency

About this bridge

SR 503 Westbound over AMTRAK & Capitol Avenue is a steel stringer/multi-beam or girder carrying SR 503 Westbound over AMTRAK & Capitol Avenue in Hartford County, Connecticut. It was built in 1969, 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 9,100 vehicles a day, roughly 9% of them trucks, projected to reach 13,522 by 2041. The structure is 501 ft (152.7 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 503 Westbound
CrossesAMTRAK & Capitol Avenue
Location0.50MI E from Exit 46 I84
RouteState Highway 503
Coordinates41.76189, -72.69966
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length501 ft (152.7 m)
Longest span123 ft (37.6 m)
Deck width38 ft (11.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,100 (2021)
Projected traffic13,522 by 2041
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed1.9 mi (3 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 Westbound over AMTRAK & Capitol Avenue built?

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

What condition is SR 503 Westbound over AMTRAK & Capitol Avenue 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 Westbound over AMTRAK & Capitol Avenue carry?

About 9,100 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is SR 503 Westbound over AMTRAK & Capitol Avenue?

The structure is 501 ft (152.7 m) long with a longest span of 123 ft (37.6 m) and a deck 38 ft wide.

Who owns SR 503 Westbound over AMTRAK & Capitol Avenue?

It is owned by the State Highway Agency.