US Bridges

INTERSTATE-91 SB over Capen Street

Good

Hartford County, Connecticut · .6 MI North of Route 178 · Structure no. 05979B

Built
1991
34 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
1 main span
Daily traffic
74,450
2015 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-91 SB over Capen Street is a steel stringer/multi-beam or girder carrying INTERSTATE-91 SB over Capen Street in Hartford County, Connecticut. It was built in 1991, so it is 34 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 74,450 vehicles a day, roughly 14% of them trucks, projected to reach 110,625 by 2035. The structure is 98 ft (29.9 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesINTERSTATE-91 SB
CrossesCapen Street
Location.6 MI North of Route 178
RouteInterstate 91
Coordinates41.84657, -72.66505
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span93 ft (28.3 m)
Deck width94 ft (28.6 m)
Roadway width86 ft (26.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74,450 (2015)
Projected traffic110,625 by 2035
Trucks14%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Capen Street built?

It was built in 1991, making it 34 years old in 2025.

What condition is INTERSTATE-91 SB over Capen Street 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 February 2023.

How much traffic does INTERSTATE-91 SB over Capen Street carry?

About 74,450 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is INTERSTATE-91 SB over Capen Street?

The structure is 98 ft (29.9 m) long with a longest span of 93 ft (28.3 m) and a deck 94 ft wide.

Who owns INTERSTATE-91 SB over Capen Street?

It is owned by the State Highway Agency.