US Bridges

Colburn Road over Furnace Brook

Fair

Tolland County, Connecticut · 100 Ft FR JCT Route 19 · Structure no. 04774

Built
1961
64 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
607
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Colburn Road over Furnace Brook is a steel stringer/multi-beam or girder carrying Colburn Road over Furnace Brook in Tolland County, Connecticut. It was built in 1961, so it is 64 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 607 vehicles a day, roughly 7% of them trucks, projected to reach 902 by 2043. The structure is 47 ft (14.3 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesColburn Road
CrossesFurnace Brook
Location100 Ft FR JCT Route 19
RouteCity Street 0
CountyTolland County
StateConnecticut
Coordinates41.99311, -72.26204
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.8 US tons
Inventory rating55.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span42 ft (12.8 m)
Deck width26 ft (7.8 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic607 (2023)
Projected traffic902 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Colburn Road over Furnace Brook built?

It was built in 1961, making it 64 years old in 2025.

What condition is Colburn Road over Furnace 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 Colburn Road over Furnace Brook carry?

About 607 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Colburn Road over Furnace Brook?

The structure is 47 ft (14.3 m) long with a longest span of 42 ft (12.8 m) and a deck 26 ft wide.

Who owns Colburn Road over Furnace Brook?

It is owned by the Town or Township Highway Agency.