US Bridges

INTERSTATE-91 SB over Reserve Road & Cso RR

Fair

Hartford County, Connecticut · 0.2 Mile North of C.O.B. · Structure no. 01468

Built
1962
63 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
307 ft
5 main spans
Daily traffic
50,700
2019 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-91 SB over Reserve Road & Cso RR is a steel stringer/multi-beam or girder carrying INTERSTATE-91 SB over Reserve Road & Cso RR in Hartford County, Connecticut. It was built in 1962, so it is 63 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 50,700 vehicles a day, roughly 9% of them trucks, projected to reach 75,335 by 2039. The structure is 307 ft (93.6 m) long and 73 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesINTERSTATE-91 SB
CrossesReserve Road & Cso RR
Location0.2 Mile North of C.O.B.
RouteInterstate 91
CountyHartford County
StateConnecticut
Coordinates41.75253, -72.65884
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
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 inspectionJanuary 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 geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating95.1 US tons
Inventory rating57.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length307 ft (93.6 m)
Longest span73 ft (22.3 m)
Deck width73 ft (22.1 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,700 (2019)
Projected traffic75,335 by 2039
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 INTERSTATE-91 SB over Reserve Road & Cso RR built?

It was built in 1962, making it 63 years old in 2025.

What condition is INTERSTATE-91 SB over Reserve Road & Cso 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 January 2023.

How much traffic does INTERSTATE-91 SB over Reserve Road & Cso RR carry?

About 50,700 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is INTERSTATE-91 SB over Reserve Road & Cso RR?

The structure is 307 ft (93.6 m) long with a longest span of 73 ft (22.3 m) and a deck 73 ft wide.

Who owns INTERSTATE-91 SB over Reserve Road & Cso RR?

It is owned by the State Highway Agency.