US Bridges

Route 133 over US Route 7 & Still River

Fair

Fairfield County, Connecticut · 1 Miles N of Federal Road · Structure no. 03926

Built
1976
49 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
408 ft
3 main spans
Daily traffic
7,500
2022 count
Owner
State
State Highway Agency

About this bridge

Route 133 over US Route 7 & Still River is a steel continuous stringer/multi-beam or girder carrying Route 133 over US Route 7 & Still River 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 7,500 vehicles a day, roughly 5% of them trucks, projected to reach 11,144 by 2042. The structure is 408 ft (124.4 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 133
CrossesUS Route 7 & Still River
Location1 Miles N of Federal Road
RouteState Highway 133
Coordinates41.45605, -73.39634
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
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length408 ft (124.4 m)
Longest span134 ft (40.8 m)
Deck width57 ft (17.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2022)
Projected traffic11,144 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.9 mi (3 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 133 over US Route 7 & Still River built?

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

What condition is Route 133 over US Route 7 & Still River 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 January 2024.

How much traffic does Route 133 over US Route 7 & Still River carry?

About 7,500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Route 133 over US Route 7 & Still River?

The structure is 408 ft (124.4 m) long with a longest span of 134 ft (40.8 m) and a deck 57 ft wide.

Who owns Route 133 over US Route 7 & Still River?

It is owned by the State Highway Agency.