US Bridges

Route 139 over Branford River

Good

New Haven County, Connecticut · 0.3 MI N of US Route 1 · Structure no. 01358

Built
2017
8 years old
Condition
Good
inspected February 2023
Type
Slab
Prestressed Concrete
Length
54 ft
2 main spans
Daily traffic
8,500
2020 count
Owner
State
State Highway Agency

About this bridge

Route 139 over Branford River is a prestressed concrete slab carrying Route 139 over Branford River in New Haven County, Connecticut. It was built in 2017, so it is 8 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 8,500 vehicles a day, roughly 4% of them trucks, projected to reach 12,630 by 2040. The structure is 54 ft (16.4 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRoute 139
CrossesBranford River
Location0.3 MI N of US Route 1
RouteState Highway 139
CountyNew Haven County
StateConnecticut
Coordinates41.29994, -72.78027
Functional classUrban Minor Arterial

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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating61.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length54 ft (16.4 m)
Longest span52 ft (15.9 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2020)
Projected traffic12,630 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Route 139 over Branford River built?

It was built in 2017, making it 8 years old in 2025.

What condition is Route 139 over Branford 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 February 2023.

How much traffic does Route 139 over Branford River carry?

About 8,500 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Route 139 over Branford River?

The structure is 54 ft (16.4 m) long with a longest span of 52 ft (15.9 m) and a deck 36 ft wide.

Who owns Route 139 over Branford River?

It is owned by the State Highway Agency.