US Bridges

Flax Mill Lane over Wepawaug River

Good

New Haven County, Connecticut · 660 Ft W of Route 121 · Structure no. 04942

Built
2020
5 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
721
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Flax Mill Lane over Wepawaug River is a prestressed concrete slab carrying Flax Mill Lane over Wepawaug River in New Haven County, Connecticut. It was built in 2020, so it is 5 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 721 vehicles a day, roughly 3% of them trucks, projected to reach 1,071 by 2044. The structure is 57 ft (17.5 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFlax Mill Lane
CrossesWepawaug River
Location660 Ft W of Route 121
RouteCity Street 0
Coordinates41.2589, -73.05362
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating95.3 US tons
Inventory rating73.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length57 ft (17.5 m)
Longest span54 ft (16.6 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic721 (2024)
Projected traffic1,071 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Flax Mill Lane over Wepawaug River built?

It was built in 2020, making it 5 years old in 2025.

What condition is Flax Mill Lane over Wepawaug 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 Flax Mill Lane over Wepawaug River carry?

About 721 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Flax Mill Lane over Wepawaug River?

The structure is 57 ft (17.5 m) long with a longest span of 54 ft (16.6 m) and a deck 28 ft wide.

Who owns Flax Mill Lane over Wepawaug River?

It is owned by the City or Municipal Highway Agency.