US Bridges

Route 184 over Shunock River

Good

New London County, Connecticut · 0.6 MI E of Route 2 · Structure no. 02781

Built
2014
11 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
4,200
2020 count
Owner
State
State Highway Agency

About this bridge

Route 184 over Shunock River is a steel stringer/multi-beam or girder carrying Route 184 over Shunock River in New London County, Connecticut. It was built in 2014, so it is 11 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,200 vehicles a day, roughly 6% of them trucks, projected to reach 6,241 by 2040. The structure is 69 ft (21 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 184
CrossesShunock River
Location0.6 MI E of Route 2
RouteState Highway 184
CountyNew London County
StateConnecticut
Coordinates41.43046, -71.85184
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length69 ft (21 m)
Longest span65 ft (19.8 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2020)
Projected traffic6,241 by 2040
Trucks6%
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

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 184 over Shunock River built?

It was built in 2014, making it 11 years old in 2025.

What condition is Route 184 over Shunock River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Route 184 over Shunock River carry?

About 4,200 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Route 184 over Shunock River?

The structure is 69 ft (21 m) long with a longest span of 65 ft (19.8 m) and a deck 36 ft wide.

Who owns Route 184 over Shunock River?

It is owned by the State Highway Agency.