US Bridges

Old Norwalk Road over Five Mile River

Good

Fairfield County, Connecticut · 100 East of Main Street · Structure no. 04095

Built
1956
69 years old, rebuilt 2011
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
3,825
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Old Norwalk Road over Five Mile River is a steel stringer/multi-beam or girder carrying Old Norwalk Road over Five Mile River in Fairfield County, Connecticut. It was built in 1956 and reconstructed in 2011, so it is 69 years old, older 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 3,825 vehicles a day, roughly 4% of them trucks, projected to reach 5,684 by 2043. The structure is 48 ft (14.5 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld Norwalk Road
CrossesFive Mile River
Location100 East of Main Street
RouteCity Street 0
Coordinates41.13658, -73.47936
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating65.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length48 ft (14.5 m)
Longest span43 ft (13.1 m)
Deck width39 ft (11.9 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,825 (2023)
Projected traffic5,684 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Norwalk Road over Five Mile River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2011.

What condition is Old Norwalk Road over Five Mile River 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 January 2025.

How much traffic does Old Norwalk Road over Five Mile River carry?

About 3,825 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Old Norwalk Road over Five Mile River?

The structure is 48 ft (14.5 m) long with a longest span of 43 ft (13.1 m) and a deck 39 ft wide.

Who owns Old Norwalk Road over Five Mile River?

It is owned by the Town or Township Highway Agency.