US Bridges

Old Ridgefield RD over Norwalk River

Fair

Fairfield County, Connecticut · Wilton Center · Structure no. 04978

Built
1955
70 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
392
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Old Ridgefield RD over Norwalk River is a steel stringer/multi-beam or girder carrying Old Ridgefield RD over Norwalk River in Fairfield County, Connecticut. It was built in 1955, so it is 70 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 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 392 vehicles a day, roughly 4% of them trucks, projected to reach 582 by 2043. The structure is 79 ft (24.1 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesOld Ridgefield RD
CrossesNorwalk River
LocationWilton Center
RouteCity Street 0
Coordinates41.19097, -73.42964
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating68.7 US tons
Inventory rating41.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span74 ft (22.5 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic392 (2023)
Projected traffic582 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Old Ridgefield RD over Norwalk River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Old Ridgefield RD over Norwalk 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 October 2023.

How much traffic does Old Ridgefield RD over Norwalk River carry?

About 392 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Old Ridgefield RD over Norwalk River?

The structure is 79 ft (24.1 m) long with a longest span of 74 ft (22.5 m) and a deck 26 ft wide.

Who owns Old Ridgefield RD over Norwalk River?

It is owned by the Town or Township Highway Agency.