US Bridges

Route 184 over Route 12

Fair

New London County, Connecticut · 0.2 MI E of I-95 · Structure no. 00659

Built
2002
23 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
159 ft
3 main spans
Daily traffic
16,400
2020 count
Owner
State
State Highway Agency

About this bridge

Route 184 over Route 12 is a steel continuous stringer/multi-beam or girder carrying Route 184 over Route 12 in New London County, Connecticut. It was built in 2002, so it is 23 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 16,400 vehicles a day, roughly 6% of them trucks, projected to reach 24,369 by 2040. The structure is 159 ft (48.5 m) long and 106 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 184
CrossesRoute 12
Location0.2 MI E of I-95
RouteState Highway 184
CountyNew London County
StateConnecticut
Coordinates41.36588, -72.06853
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span84 ft (25.7 m)
Deck width106 ft (32.2 m)
Roadway width100 ft (30.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,400 (2020)
Projected traffic24,369 by 2040
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 184 over Route 12 built?

It was built in 2002, making it 23 years old in 2025.

What condition is Route 184 over Route 12 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 March 2023.

How much traffic does Route 184 over Route 12 carry?

About 16,400 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Route 184 over Route 12?

The structure is 159 ft (48.5 m) long with a longest span of 84 ft (25.7 m) and a deck 106 ft wide.

Who owns Route 184 over Route 12?

It is owned by the State Highway Agency.