US Bridges

Indian Neck Avenue over Branford River

Fair

New Haven County, Connecticut · .5 MI North of Route 146 · Structure no. 06033

Built
1991
34 years old
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
140 ft
4 main spans
Daily traffic
3,860
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Indian Neck Avenue over Branford River is a prestressed concrete box beam or girders - multiple carrying Indian Neck Avenue over Branford River in New Haven County, Connecticut. It was built in 1991, so it is 34 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,860 vehicles a day, roughly 2% of them trucks, projected to reach 5,736 by 2043. The structure is 140 ft (42.7 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIndian Neck Avenue
CrossesBranford River
Location.5 MI North of Route 146
RouteCity Street 0
Coordinates41.27463, -72.81219
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.3 US tons
Inventory rating29.3 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans4
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span50 ft (15.2 m)
Deck width34 ft (10.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,860 (2023)
Projected traffic5,736 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Indian Neck Avenue over Branford River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Indian Neck Avenue over Branford River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.

How much traffic does Indian Neck Avenue over Branford River carry?

About 3,860 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Indian Neck Avenue over Branford River?

The structure is 140 ft (42.7 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns Indian Neck Avenue over Branford River?

It is owned by the Town or Township Highway Agency.