US Bridges

Loughlin Road over Eight Mile Brook

FairClosed to traffic

New Haven County, Connecticut · 0.4 MI N of Route 34 · Structure no. 04917

Built
1956
69 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
1,100
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Loughlin Road over Eight Mile Brook is a steel stringer/multi-beam or girder carrying Loughlin Road over Eight Mile Brook in New Haven County, Connecticut. It was built in 1956, so it is 69 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. Its operating status is: closed to all traffic.

It carries about 1,100 vehicles a day, roughly 7% of them trucks, projected to reach 1,634 by 2044. The structure is 73 ft (22.3 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLoughlin Road
CrossesEight Mile Brook
Location0.4 MI N of Route 34
RouteCity Street 0
CountyNew Haven County
StateConnecticut
Coordinates41.38844, -73.16475
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92 US tons
Inventory rating55.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span68 ft (20.7 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2024)
Projected traffic1,634 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Loughlin Road over Eight Mile Brook built?

It was built in 1956, making it 69 years old in 2025.

What condition is Loughlin Road over Eight Mile Brook 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 June 2024.

How much traffic does Loughlin Road over Eight Mile Brook carry?

About 1,100 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Loughlin Road over Eight Mile Brook?

The structure is 73 ft (22.3 m) long with a longest span of 68 ft (20.7 m) and a deck 26 ft wide.

Who owns Loughlin Road over Eight Mile Brook?

It is owned by the Town or Township Highway Agency.