US Bridges

Route 185 over Tumble Brook

Fair

Hartford County, Connecticut · 0.1 Mile West of Rte. 218 · Structure no. 01501

Built
1949
76 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
9,300
2019 count
Owner
State
State Highway Agency

About this bridge

Route 185 over Tumble Brook is a concrete continuous culvert carrying Route 185 over Tumble Brook in Hartford County, Connecticut. It was built in 1949, so it is 76 years old, older 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 9,300 vehicles a day, roughly 4% of them trucks, projected to reach 13,819 by 2039. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRoute 185
CrossesTumble Brook
Location0.1 Mile West of Rte. 218
RouteState Highway 185
Coordinates41.80671, -72.75292
Functional classUrban Other Principal Arterial

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 inspectionJune 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 alignment9: Superior to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,300 (2019)
Projected traffic13,819 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 185 over Tumble Brook built?

It was built in 1949, making it 76 years old in 2025.

What condition is Route 185 over Tumble 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 June 2023.

How much traffic does Route 185 over Tumble Brook carry?

About 9,300 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Route 185 over Tumble Brook?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Route 185 over Tumble Brook?

It is owned by the State Highway Agency.