US Bridges

Route 8 Southbound over Mnrr Naugtck Rv

Fair

New Haven County, Connecticut · RTE 8 Exit 24 · Structure no. 04386

Built
1981
44 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
547 ft
3 main spans
Daily traffic
22,900
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Southbound over Mnrr Naugtck Rv is a steel continuous box beam or girders - single or spread carrying Route 8 Southbound over Mnrr Naugtck Rv 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 22,900 vehicles a day, roughly 6% of them trucks, projected to reach 34,027 by 2041. The structure is 547 ft (166.7 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 8 Southbound
CrossesMnrr Naugtck Rv
LocationRTE 8 Exit 24
RouteState Highway 8
CountyNew Haven County
StateConnecticut
Coordinates41.44415, -73.06724
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length547 ft (166.7 m)
Longest span196 ft (59.7 m)
Deck width50 ft (15.2 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,900 (2021)
Projected traffic34,027 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 8 Southbound over Mnrr Naugtck Rv built?

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

What condition is Route 8 Southbound over Mnrr Naugtck Rv 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 May 2023.

How much traffic does Route 8 Southbound over Mnrr Naugtck Rv carry?

About 22,900 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 8 Southbound over Mnrr Naugtck Rv?

The structure is 547 ft (166.7 m) long with a longest span of 196 ft (59.7 m) and a deck 50 ft wide.

Who owns Route 8 Southbound over Mnrr Naugtck Rv?

It is owned by the State Highway Agency.