US Bridges

Simpaug Turnpike over Metro-North Railroad

Good

Fairfield County, Connecticut · 300-FT East O Marchant RD · Structure no. 05225

Built
2012
13 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
1,800
2023 count
Owner
Unknown
Unknown

About this bridge

Simpaug Turnpike over Metro-North Railroad is a steel stringer/multi-beam or girder carrying Simpaug Turnpike over Metro-North Railroad in Fairfield County, Connecticut. It was built in 2012, so it is 13 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 1,800 vehicles a day, roughly 7% of them trucks, projected to reach 2,675 by 2043. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSimpaug Turnpike
CrossesMetro-North Railroad
Location300-FT East O Marchant RD
RouteCity Street 0
CountyFairfield County
StateConnecticut
Coordinates41.31507, -73.44623
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating62.2 US tons
Inventory rating37.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span35 ft (10.6 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic2,675 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
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 Simpaug Turnpike over Metro-North Railroad built?

It was built in 2012, making it 13 years old in 2025.

What condition is Simpaug Turnpike over Metro-North Railroad 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 January 2025.

How much traffic does Simpaug Turnpike over Metro-North Railroad carry?

About 1,800 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Simpaug Turnpike over Metro-North Railroad?

The structure is 40 ft (12.2 m) long with a longest span of 35 ft (10.6 m) and a deck 32 ft wide.

Who owns Simpaug Turnpike over Metro-North Railroad?

It is owned by the Unknown and maintained by the State Highway Agency.