US Bridges

Day Hill Road over Roaring Brook

Fair

New London County, Connecticut · 0.3 MI N of Route 148 · Structure no. 05818

Built
1989
36 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
348
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Day Hill Road over Roaring Brook is a steel stringer/multi-beam or girder carrying Day Hill Road over Roaring Brook in New London County, Connecticut. It was built in 1989, so it is 36 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 5 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 348 vehicles a day, roughly 7% of them trucks, projected to reach 517 by 2044. The structure is 29 ft (8.8 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDay Hill Road
CrossesRoaring Brook
Location0.3 MI N of Route 148
RouteCity Street 0
CountyNew London County
StateConnecticut
Coordinates41.42431, -72.40843
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span24 ft (7.3 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic348 (2024)
Projected traffic517 by 2044
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 Day Hill Road over Roaring Brook built?

It was built in 1989, making it 36 years old in 2025.

What condition is Day Hill Road over Roaring 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 October 2024.

How much traffic does Day Hill Road over Roaring Brook carry?

About 348 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Day Hill Road over Roaring Brook?

The structure is 29 ft (8.8 m) long with a longest span of 24 ft (7.3 m) and a deck 20 ft wide.

Who owns Day Hill Road over Roaring Brook?

It is owned by the Town or Township Highway Agency.