US Bridges

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

Fair

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

Built
1964
61 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
6,000
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Southbound over Route 4 (east Elm St.) is a steel stringer/multi-beam or girder carrying Route 8 Southbound 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 6,000 vehicles a day, roughly 6% of them trucks, projected to reach 8,915 by 2041. The structure is 84 ft (25.6 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8 Southbound
CrossesRoute 4 (east Elm St.)
LocationAt Exit 44
RouteState Highway 8
Coordinates41.80749, -73.11381
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
Deck7 GoodSome minor problems.
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 rating86.4 US tons
Inventory rating51.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 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 traffic6,000 (2021)
Projected traffic8,915 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 Southbound over Route 4 (east Elm St.) built?

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

What condition is Route 8 Southbound 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 Southbound over Route 4 (east Elm St.) carry?

About 6,000 vehicles per day (2021 count), of which roughly 6% are trucks.

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

The structure is 84 ft (25.6 m) long with a longest span of 80 ft (24.4 m) and a deck 44 ft wide.

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

It is owned by the State Highway Agency.