US Bridges

Grays Bridge Road over Housatonic RR

Good

Fairfield County, Connecticut · 2 MI West of 133 & 25 Int · Structure no. 04265

Built
1979
46 years old
Condition
Good
inspected June 2021
Type
Arch - Deck
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
9,095
2021 count
Owner
Unknown
Unknown

About this bridge

Grays Bridge Road over Housatonic RR is a prestressed concrete arch - deck carrying Grays Bridge Road over Housatonic RR in Fairfield County, Connecticut. It was built in 1979, so it is 46 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 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 9,095 vehicles a day, roughly 5% of them trucks, projected to reach 13,514 by 2041. The structure is 41 ft (12.5 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGrays Bridge Road
CrossesHousatonic RR
Location2 MI West of 133 & 25 Int
RouteCity Street 0
Coordinates41.44394, -73.39376
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width67 ft (20.4 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,095 (2021)
Projected traffic13,514 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 Grays Bridge Road over Housatonic RR built?

It was built in 1979, making it 46 years old in 2025.

What condition is Grays Bridge Road over Housatonic RR 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 June 2021.

How much traffic does Grays Bridge Road over Housatonic RR carry?

About 9,095 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Grays Bridge Road over Housatonic RR?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m) and a deck 67 ft wide.

Who owns Grays Bridge Road over Housatonic RR?

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