US Bridges

Arrowhead Road over Norwalk River

Good

Fairfield County, Connecticut · 400 Feet West of Route 7 · Structure no. 05501

Built
2024
1 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
70
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Arrowhead Road over Norwalk River is a prestressed concrete box beam or girders - multiple carrying Arrowhead Road over Norwalk River in Fairfield County, Connecticut. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70 vehicles a day, roughly 2% of them trucks, projected to reach 104 by 2041. The structure is 53 ft (16.2 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesArrowhead Road
CrossesNorwalk River
Location400 Feet West of Route 7
RouteCity Street 0
Coordinates41.17423, -73.41805
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80 US tons
Inventory rating61.4 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length53 ft (16.2 m)
Longest span48 ft (14.6 m)
Deck width27 ft (8.1 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2021)
Projected traffic104 by 2041
Trucks2%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.6 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Arrowhead Road over Norwalk River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Arrowhead Road over Norwalk 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 June 2024.

How much traffic does Arrowhead Road over Norwalk River carry?

About 70 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Arrowhead Road over Norwalk River?

The structure is 53 ft (16.2 m) long with a longest span of 48 ft (14.6 m) and a deck 27 ft wide.

Who owns Arrowhead Road over Norwalk River?

It is owned by the Town or Township Highway Agency.