US Bridges

Bishop Road over Gardner Brook

Fair

New London County, Connecticut · 400 Ft SE of Route 163 · Structure no. 04587

Built
2001
24 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
495
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Bishop Road over Gardner Brook is a concrete culvert carrying Bishop Road over Gardner Brook in New London County, Connecticut. It was built in 2001, so it is 24 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 495 vehicles a day, roughly 5% of them trucks, projected to reach 736 by 2043. The structure is 29 ft (8.8 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesBishop Road
CrossesGardner Brook
Location400 Ft SE of Route 163
RouteCity Street 0
CountyNew London County
StateConnecticut
Coordinates41.54317, -72.17363
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span10 ft (3 m)
Deck width27 ft (8.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic495 (2023)
Projected traffic736 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Bishop Road over Gardner Brook built?

It was built in 2001, making it 24 years old in 2025.

What condition is Bishop Road over Gardner 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 February 2025.

How much traffic does Bishop Road over Gardner Brook carry?

About 495 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Bishop Road over Gardner Brook?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns Bishop Road over Gardner Brook?

It is owned by the Town or Township Highway Agency.