US Bridges

Comstock Bridge RD over Dickerson Creek

Fair

New London County, Connecticut · 0.8 MI N of Route 16 · Structure no. 04456

Built
1978
47 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
520
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Comstock Bridge RD over Dickerson Creek is a concrete culvert carrying Comstock Bridge RD over Dickerson Creek in New London County, Connecticut. It was built in 1978, so it is 47 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 520 vehicles a day, roughly 7% of them trucks, projected to reach 773 by 2043. The structure is 39 ft (11.9 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesComstock Bridge RD
CrossesDickerson Creek
Location0.8 MI N of Route 16
RouteCity Street 0
Coordinates41.55773, -72.44183
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans3
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width39 ft (12 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2023)
Projected traffic773 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Comstock Bridge RD over Dickerson Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Comstock Bridge RD over Dickerson Creek 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 August 2023.

How much traffic does Comstock Bridge RD over Dickerson Creek carry?

About 520 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Comstock Bridge RD over Dickerson Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 39 ft wide.

Who owns Comstock Bridge RD over Dickerson Creek?

It is owned by the Town or Township Highway Agency.