US Bridges

Route 17 over Brook

Fair

New Haven County, Connecticut · 0.8 MI N of Route 80 · Structure no. 06664

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Culvert
Steel
Length
22 ft
3 main spans
Daily traffic
8,200
2021 count
Owner
State
State Highway Agency

About this bridge

Route 17 over Brook is a steel culvert carrying Route 17 over Brook in New Haven County, Connecticut. It was built in 1970, so it is 55 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 6 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 8,200 vehicles a day, roughly 5% of them trucks, projected to reach 12,184 by 2041. The structure is 22 ft (6.7 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 17
CrossesBrook
Location0.8 MI N of Route 80
RouteState Highway 17
CountyNew Haven County
StateConnecticut
Coordinates41.33301, -72.87209
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span6 ft (1.8 m)
Deck width68 ft (20.6 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2021)
Projected traffic12,184 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 17 over Brook built?

It was built in 1970, making it 55 years old in 2025.

What condition is Route 17 over Brook 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 May 2024.

How much traffic does Route 17 over Brook carry?

About 8,200 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Route 17 over Brook?

The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m) and a deck 68 ft wide.

Who owns Route 17 over Brook?

It is owned by the State Highway Agency.