US Bridges

Route 17 over Long Hill Brook

Good

Middlesex County, Connecticut · 0.7 MI N of Route 155 · Structure no. 00857

Built
2001
24 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
13,100
2022 count
Owner
State
State Highway Agency

About this bridge

Route 17 over Long Hill Brook is a prestressed concrete slab carrying Route 17 over Long Hill Brook in Middlesex County, Connecticut. It was built in 2001, so it is 24 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 13,100 vehicles a day, roughly 4% of them trucks, projected to reach 19,465 by 2042. The structure is 34 ft (10.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 17
CrossesLong Hill Brook
Location0.7 MI N of Route 155
RouteState Highway 17
Coordinates41.54047, -72.65305
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span28 ft (8.5 m)
Deck width42 ft (12.7 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,100 (2022)
Projected traffic19,465 by 2042
Trucks4%
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 Long Hill Brook built?

It was built in 2001, making it 24 years old in 2025.

What condition is Route 17 over Long Hill Brook 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 August 2023.

How much traffic does Route 17 over Long Hill Brook carry?

About 13,100 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Route 17 over Long Hill Brook?

The structure is 34 ft (10.4 m) long with a longest span of 28 ft (8.5 m) and a deck 42 ft wide.

Who owns Route 17 over Long Hill Brook?

It is owned by the State Highway Agency.