US Bridges

Silver Hill Road over Aspetuck River

PoorPosted for load

Fairfield County, Connecticut · 50 Feet East of Route 58 · Structure no. 05220

Built
1920
105 years old, rebuilt 1984
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
2 main spans
Daily traffic
300
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Silver Hill Road over Aspetuck River is a steel stringer/multi-beam or girder carrying Silver Hill Road over Aspetuck River in Fairfield County, Connecticut. It was built in 1920 and reconstructed in 1984, so it is 105 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 1% of them trucks, projected to reach 446 by 2044. The structure is 43 ft (13.1 m) long and 18 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSilver Hill Road
CrossesAspetuck River
Location50 Feet East of Route 58
RouteCity Street 0
Coordinates41.25927, -73.32486
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating43.9 US tons
Inventory rating26.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span18 ft (5.5 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2024)
Projected traffic446 by 2044
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Silver Hill Road over Aspetuck River built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1984.

What condition is Silver Hill Road over Aspetuck River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Silver Hill Road over Aspetuck River carry?

About 300 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Silver Hill Road over Aspetuck River?

The structure is 43 ft (13.1 m) long with a longest span of 18 ft (5.5 m) and a deck 18 ft wide.

Who owns Silver Hill Road over Aspetuck River?

It is owned by the Town or Township Highway Agency.