US Bridges

Route 9 Ramp 058 over Bass Brook

Fair

Hartford County, Connecticut · SB on Ramp from Route 175 · Structure no. 05360

Built
1985
40 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
10,600
2022 count
Owner
State
State Highway Agency

About this bridge

Route 9 Ramp 058 over Bass Brook is a concrete culvert carrying Route 9 Ramp 058 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 10,600 vehicles a day, roughly 5% of them trucks, projected to reach 15,751 by 2042. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 9 Ramp 058
CrossesBass Brook
LocationSB on Ramp from Route 175
RouteState Highway 9
Coordinates41.69207, -72.75886
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans3
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,600 (2022)
Projected traffic15,751 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-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 Ramp 058 over Bass Brook built?

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

What condition is Route 9 Ramp 058 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 September 2023.

How much traffic does Route 9 Ramp 058 over Bass Brook carry?

About 10,600 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Route 9 Ramp 058 over Bass Brook?

The structure is 35 ft (10.7 m) long with a longest span of 11 ft (3.4 m).

Who owns Route 9 Ramp 058 over Bass Brook?

It is owned by the State Highway Agency.