US Bridges

Route 8 Northbound over Bogue Road

Fair

Litchfield County, Connecticut · 1 Mile North of Exit 42 · Structure no. 01734

Built
1966
59 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
131 ft
3 main spans
Daily traffic
12,300
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Northbound over Bogue Road is a steel stringer/multi-beam or girder carrying Route 8 Northbound over Bogue Road in Litchfield County, Connecticut. It was built in 1966, so it is 59 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 5 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 12,300 vehicles a day, roughly 7% of them trucks, projected to reach 18,277 by 2041. The structure is 131 ft (39.9 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8 Northbound
CrossesBogue Road
Location1 Mile North of Exit 42
RouteState Highway 8
Coordinates41.7776, -73.11247
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span61 ft (18.6 m)
Deck width48 ft (14.5 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,300 (2021)
Projected traffic18,277 by 2041
Trucks7%
Lanes on structure3
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 8 Northbound over Bogue Road built?

It was built in 1966, making it 59 years old in 2025.

What condition is Route 8 Northbound over Bogue Road 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 March 2024.

How much traffic does Route 8 Northbound over Bogue Road carry?

About 12,300 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Route 8 Northbound over Bogue Road?

The structure is 131 ft (39.9 m) long with a longest span of 61 ft (18.6 m) and a deck 48 ft wide.

Who owns Route 8 Northbound over Bogue Road?

It is owned by the State Highway Agency.