US Bridges

Route 183 over Sandy Brook

Good

Litchfield County, Connecticut · 1.5 Mile So of Norfolk Tl · Structure no. 01499

Built
1958
67 years old, rebuilt 1994
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
550
2021 count
Owner
State
State Highway Agency

About this bridge

Route 183 over Sandy Brook is a steel stringer/multi-beam or girder carrying Route 183 over Sandy Brook in Litchfield County, Connecticut. It was built in 1958 and reconstructed in 1994, so it is 67 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 550 vehicles a day, roughly 2% of them trucks, projected to reach 817 by 2041. The structure is 82 ft (24.9 m) long and 39 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRoute 183
CrossesSandy Brook
Location1.5 Mile So of Norfolk Tl
RouteState Highway 183
Coordinates42.01811, -73.11529
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.3 US tons
Inventory rating65.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (24.9 m)
Longest span74 ft (22.5 m)
Deck width39 ft (12 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2021)
Projected traffic817 by 2041
Trucks2%
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

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 183 over Sandy Brook built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1994.

What condition is Route 183 over Sandy Brook 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 October 2024.

How much traffic does Route 183 over Sandy Brook carry?

About 550 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Route 183 over Sandy Brook?

The structure is 82 ft (24.9 m) long with a longest span of 74 ft (22.5 m) and a deck 39 ft wide.

Who owns Route 183 over Sandy Brook?

It is owned by the State Highway Agency.