US Bridges

Route 17 SB over East Main Street

Fair

Middlesex County, Connecticut · 0.1 MI South of Exit 10 · Structure no. 00862

Built
1949
76 years old, rebuilt 1987
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
190 ft
3 main spans
Daily traffic
6,100
2022 count
Owner
State
State Highway Agency

About this bridge

Route 17 SB over East Main Street is a steel continuous stringer/multi-beam or girder carrying Route 17 SB over East Main Street in Middlesex County, Connecticut. It was built in 1949 and reconstructed in 1987, so it is 76 years old, older 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 6,100 vehicles a day, roughly 6% of them trucks, projected to reach 9,064 by 2042. The structure is 190 ft (57.9 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 17 SB
CrossesEast Main Street
Location0.1 MI South of Exit 10
RouteState Highway 17
Coordinates41.55497, -72.64354
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span85 ft (25.9 m)
Deck width46 ft (14 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2022)
Projected traffic9,064 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 17 SB over East Main Street built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1987.

What condition is Route 17 SB over East Main Street 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 October 2024.

How much traffic does Route 17 SB over East Main Street carry?

About 6,100 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Route 17 SB over East Main Street?

The structure is 190 ft (57.9 m) long with a longest span of 85 ft (25.9 m) and a deck 46 ft wide.

Who owns Route 17 SB over East Main Street?

It is owned by the State Highway Agency.