US Bridges

I-91 SB on Ramp over AMTRAK Railroad

Good

Hartford County, Connecticut · Exit 34 Ramp from RTE 159 · Structure no. 06151

Built
1990
35 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
150 ft
3 main spans
Daily traffic
4,300
2022 count
Owner
State
State Highway Agency

About this bridge

I-91 SB on Ramp over AMTRAK Railroad is a steel continuous stringer/multi-beam or girder carrying I-91 SB on Ramp over AMTRAK Railroad in Hartford County, Connecticut. It was built in 1990, so it is 35 years old, younger 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 4,300 vehicles a day, roughly 14% of them trucks, projected to reach 6,389 by 2042. The structure is 150 ft (45.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-91 SB on Ramp
CrossesAMTRAK Railroad
LocationExit 34 Ramp from RTE 159
RouteInterstate 91
Coordinates41.80227, -72.65725
Functional classUrban Principal Arterial - Interstate

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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.6 US tons
Inventory rating68.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length150 ft (45.8 m)
Longest span49 ft (15 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2022)
Projected traffic6,389 by 2042
Trucks14%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 on Ramp over AMTRAK Railroad built?

It was built in 1990, making it 35 years old in 2025.

What condition is I-91 SB on Ramp over AMTRAK Railroad 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 I-91 SB on Ramp over AMTRAK Railroad carry?

About 4,300 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is I-91 SB on Ramp over AMTRAK Railroad?

The structure is 150 ft (45.8 m) long with a longest span of 49 ft (15 m) and a deck 28 ft wide.

Who owns I-91 SB on Ramp over AMTRAK Railroad?

It is owned by the State Highway Agency.