US Bridges

Route 9 Southbound over SR 505 {ella Grasso Bld}

Good

Hartford County, Connecticut · 0.4 MI N of Route 175 · Structure no. 06107A

Built
1991
34 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Single or Spread
Steel
Length
146 ft
1 main span
Daily traffic
23,400
2019 count
Owner
State
State Highway Agency

About this bridge

Route 9 Southbound over SR 505 {ella Grasso Bld} is a steel box beam or girders - single or spread carrying Route 9 Southbound over SR 505 {ella Grasso Bld} 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 23,400 vehicles a day, roughly 6% of them trucks, projected to reach 34,770 by 2039. The structure is 146 ft (44.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 9 Southbound
CrossesSR 505 {ella Grasso Bld}
Location0.4 MI N of Route 175
RouteState Highway 9
Coordinates41.69889, -72.75804
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 rating40 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span140 ft (42.7 m)
Deck width51 ft (15.5 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,400 (2019)
Projected traffic34,770 by 2039
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 9 Southbound over SR 505 {ella Grasso Bld} built?

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

What condition is Route 9 Southbound over SR 505 {ella Grasso Bld} 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 Route 9 Southbound over SR 505 {ella Grasso Bld} carry?

About 23,400 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Route 9 Southbound over SR 505 {ella Grasso Bld}?

The structure is 146 ft (44.5 m) long with a longest span of 140 ft (42.7 m) and a deck 51 ft wide.

Who owns Route 9 Southbound over SR 505 {ella Grasso Bld}?

It is owned by the State Highway Agency.