US Bridges

I-91 SB & TR 835 over Connecticut Southern RR

Fair

Hartford County, Connecticut · At Exit 29A · Structure no. 03622

Built
1958
67 years old, rebuilt 1998
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
299 ft
18 main spans
Daily traffic
47,700
2022 count
Owner
State
State Highway Agency

About this bridge

I-91 SB & TR 835 over Connecticut Southern RR is a steel stringer/multi-beam or girder carrying I-91 SB & TR 835 over Connecticut Southern RR in Hartford County, Connecticut. It was built in 1958 and reconstructed in 1998, so it is 67 years old, older 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 47,700 vehicles a day, roughly 14% of them trucks, projected to reach 70,877 by 2042. The structure is 299 ft (91.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-91 SB & TR 835
CrossesConnecticut Southern RR
LocationAt Exit 29A
RouteInterstate 91
CountyHartford County
StateConnecticut
Coordinates41.76268, -72.66694
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.
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 inspectionNovember 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 alignment9: Superior to present desirable criteria
Operating rating48.2 US tons
Inventory rating33.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length299 ft (91.1 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,700 (2022)
Projected traffic70,877 by 2042
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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-91 SB & TR 835 over Connecticut Southern RR built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1998.

What condition is I-91 SB & TR 835 over Connecticut Southern RR 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 November 2023.

How much traffic does I-91 SB & TR 835 over Connecticut Southern RR carry?

About 47,700 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is I-91 SB & TR 835 over Connecticut Southern RR?

The structure is 299 ft (91.1 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns I-91 SB & TR 835 over Connecticut Southern RR?

It is owned by the State Highway Agency.