US Bridges

Lopus Road over Route 8

Fair

New Haven County, Connecticut · Bet. RTE 8 Exit 23 & 24 · Structure no. 04385

Built
1981
44 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
242 ft
2 main spans
Daily traffic
410
2018 count
Owner
State
State Highway Agency

About this bridge

Lopus Road over Route 8 is a prestressed concrete continuous box beam or girders - multiple carrying Lopus Road over Route 8 in New Haven County, Connecticut. It was built in 1981, so it is 44 years old, younger 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 410 vehicles a day, roughly 4% of them trucks, projected to reach 609 by 2038. The structure is 242 ft (73.8 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLopus Road
CrossesRoute 8
LocationBet. RTE 8 Exit 23 & 24
RouteCity Street 0
CountyNew Haven County
StateConnecticut
Coordinates41.43945, -73.06698
Functional classUrban 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.
Last inspectionFebruary 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 rating76.4 US tons
Inventory rating59 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length242 ft (73.8 m)
Longest span120 ft (36.6 m)
Deck width47 ft (14.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2018)
Projected traffic609 by 2038
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lopus Road over Route 8 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Lopus Road over Route 8 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 February 2023.

How much traffic does Lopus Road over Route 8 carry?

About 410 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is Lopus Road over Route 8?

The structure is 242 ft (73.8 m) long with a longest span of 120 ft (36.6 m) and a deck 47 ft wide.

Who owns Lopus Road over Route 8?

It is owned by the State Highway Agency.