US Bridges

Route 8 Northbound over Route 4 (east Elm St.)

Fair

Litchfield County, Connecticut · At Exit 44 · Structure no. 01740A

Built
1964
61 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
86 ft
1 main span
Daily traffic
6,500
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Northbound over Route 4 (east Elm St.) is a steel stringer/multi-beam or girder carrying Route 8 Northbound over Route 4 (east Elm St.) in Litchfield County, Connecticut. It was built in 1964, so it is 61 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 6,500 vehicles a day, roughly 6% of them trucks, projected to reach 9,658 by 2041. The structure is 86 ft (26.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8 Northbound
CrossesRoute 4 (east Elm St.)
LocationAt Exit 44
RouteState Highway 8
Coordinates41.80745, -73.11341
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length86 ft (26.1 m)
Longest span80 ft (24.4 m)
Deck width44 ft (13.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2021)
Projected traffic9,658 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 Route 4 (east Elm St.) built?

It was built in 1964, making it 61 years old in 2025.

What condition is Route 8 Northbound over Route 4 (east Elm St.) 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 October 2023.

How much traffic does Route 8 Northbound over Route 4 (east Elm St.) carry?

About 6,500 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 8 Northbound over Route 4 (east Elm St.)?

The structure is 86 ft (26.1 m) long with a longest span of 80 ft (24.4 m) and a deck 44 ft wide.

Who owns Route 8 Northbound over Route 4 (east Elm St.)?

It is owned by the State Highway Agency.