US Bridges

Route 9 & Busway over Bass Brook

Fair

Hartford County, Connecticut · .13 MI South of Route 175 · Structure no. 05357

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
69,600
2022 count
Owner
State
State Highway Agency

About this bridge

Route 9 & Busway over Bass Brook is a concrete culvert carrying Route 9 & Busway over Bass Brook in Hartford County, Connecticut. It was built in 1985, so it is 40 years old, younger 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 6 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 69,600 vehicles a day, roughly 6% of them trucks, projected to reach 103,419 by 2042. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRoute 9 & Busway
CrossesBass Brook
Location.13 MI South of Route 175
RouteState Highway 9
CountyHartford County
StateConnecticut
Coordinates41.68879, -72.7566
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69,600 (2022)
Projected traffic103,419 by 2042
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 9 & Busway over Bass Brook built?

It was built in 1985, making it 40 years old in 2025.

What condition is Route 9 & Busway over Bass Brook 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 July 2024.

How much traffic does Route 9 & Busway over Bass Brook carry?

About 69,600 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Route 9 & Busway over Bass Brook?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Route 9 & Busway over Bass Brook?

It is owned by the State Highway Agency.