US Bridges

US Route 7 SB over Still Riv & Grays Br RD

Fair

Fairfield County, Connecticut · 0.6 MI No of Federal RD · Structure no. 03921

Built
1976
49 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
393 ft
2 main spans
Daily traffic
14,700
2021 count
Owner
State
State Highway Agency

About this bridge

US Route 7 SB over Still Riv & Grays Br RD is a steel continuous stringer/multi-beam or girder carrying US Route 7 SB over Still Riv & Grays Br RD in Fairfield County, Connecticut. It was built in 1976, so it is 49 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 14,700 vehicles a day, roughly 8% of them trucks, projected to reach 21,843 by 2041. The structure is 393 ft (119.8 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS Route 7 SB
CrossesStill Riv & Grays Br RD
Location0.6 MI No of Federal RD
RouteU.S. Route 7
Coordinates41.43957, -73.40012
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length393 ft (119.8 m)
Longest span193 ft (58.8 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,700 (2021)
Projected traffic21,843 by 2041
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US Route 7 SB over Still Riv & Grays Br RD built?

It was built in 1976, making it 49 years old in 2025.

What condition is US Route 7 SB over Still Riv & Grays Br RD 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 November 2024.

How much traffic does US Route 7 SB over Still Riv & Grays Br RD carry?

About 14,700 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is US Route 7 SB over Still Riv & Grays Br RD?

The structure is 393 ft (119.8 m) long with a longest span of 193 ft (58.8 m) and a deck 46 ft wide.

Who owns US Route 7 SB over Still Riv & Grays Br RD?

It is owned by the State Highway Agency.