US Bridges

Stony Hill Road over Housatonic RR

Fair

Fairfield County, Connecticut · 0.5 MI So JCT Grays Br RD · Structure no. 04057

Built
1936
89 years old, rebuilt 1992
Condition
Fair
inspected June 2023
Type
Girder and Floorbeam System
Steel
Length
182 ft
3 main spans
Daily traffic
5,000
2010 count
Owner
Unknown
Unknown

About this bridge

Stony Hill Road over Housatonic RR is a steel girder and floorbeam system carrying Stony Hill Road over Housatonic RR in Fairfield County, Connecticut. It was built in 1936 and reconstructed in 1992, so it is 89 years old, older 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 5,000 vehicles a day, roughly 4% of them trucks, projected to reach 7,430 by 2030. The structure is 182 ft (55.5 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesStony Hill Road
CrossesHousatonic RR
Location0.5 MI So JCT Grays Br RD
RouteCity Street 0
CountyFairfield County
StateConnecticut
Coordinates41.43472, -73.38947
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.2 US tons
Inventory rating40.3 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span67 ft (20.5 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2010)
Projected traffic7,430 by 2030
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
Maintained byOther Local 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 Stony Hill Road over Housatonic RR built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1992.

What condition is Stony Hill Road over Housatonic RR 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 June 2023.

How much traffic does Stony Hill Road over Housatonic RR carry?

About 5,000 vehicles per day (2010 count), of which roughly 4% are trucks.

How long is Stony Hill Road over Housatonic RR?

The structure is 182 ft (55.5 m) long with a longest span of 67 ft (20.5 m) and a deck 30 ft wide.

Who owns Stony Hill Road over Housatonic RR?

It is owned by the Unknown and maintained by the Other Local Agency.