US Bridges

Route 305 over INTERSTATE-91 Southbound

Good

Hartford County, Connecticut · At Exit 37 · Structure no. 06044

Built
1990
35 years old
Condition
Good
inspected July 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
106 ft
1 main span
Daily traffic
16,700
2016 count
Owner
State
State Highway Agency

About this bridge

Route 305 over INTERSTATE-91 Southbound is a steel stringer/multi-beam or girder carrying Route 305 over INTERSTATE-91 Southbound 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 16,700 vehicles a day, roughly 5% of them trucks, projected to reach 24,815 by 2036. The structure is 106 ft (32.3 m) long and 103 ft wide. If it were closed, the detour would be 62.8 mi (101 km).

CarriesRoute 305
CrossesINTERSTATE-91 Southbound
LocationAt Exit 37
RouteState Highway 305
Coordinates41.85233, -72.66454
Functional classUrban Minor Arterial

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 inspectionJuly 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.9 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span100 ft (30.5 m)
Deck width103 ft (31.5 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,700 (2016)
Projected traffic24,815 by 2036
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed62.8 mi (101 km)
TollOn a free road
National Highway SystemNo

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 Route 305 over INTERSTATE-91 Southbound built?

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

What condition is Route 305 over INTERSTATE-91 Southbound 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 July 2022.

How much traffic does Route 305 over INTERSTATE-91 Southbound carry?

About 16,700 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Route 305 over INTERSTATE-91 Southbound?

The structure is 106 ft (32.3 m) long with a longest span of 100 ft (30.5 m) and a deck 103 ft wide.

Who owns Route 305 over INTERSTATE-91 Southbound?

It is owned by the State Highway Agency.