US Bridges

Louis Allan Drive over Stream

Good

Fairfield County, Connecticut · 0.2 MI W of Deer Park R · Structure no. 06907

Built
2004
21 years old
Condition
Good
inspected April 2022
Type
Arch - Deck
Concrete
Length
119 ft
3 main spans
Daily traffic
83
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Louis Allan Drive over Stream is a concrete arch - deck carrying Louis Allan Drive over Stream in Fairfield County, Connecticut. It was built in 2004, so it is 21 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 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 83 vehicles a day, roughly 5% of them trucks, projected to reach 123 by 2042. The structure is 119 ft (36.3 m) long and 42 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLouis Allan Drive
CrossesStream
Location0.2 MI W of Deer Park R
RouteCity Street 0
Coordinates41.42839, -73.52664
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.7 US tons
Inventory rating60.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length119 ft (36.3 m)
Longest span42 ft (12.8 m)
Deck width42 ft (12.8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83 (2022)
Projected traffic123 by 2042
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Louis Allan Drive over Stream built?

It was built in 2004, making it 21 years old in 2025.

What condition is Louis Allan Drive over Stream 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 April 2022.

How much traffic does Louis Allan Drive over Stream carry?

About 83 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Louis Allan Drive over Stream?

The structure is 119 ft (36.3 m) long with a longest span of 42 ft (12.8 m) and a deck 42 ft wide.

Who owns Louis Allan Drive over Stream?

It is owned by the City or Municipal Highway Agency.