US Bridges

Ssr 490 over Pootatuck River

Good

Fairfield County, Connecticut · 1500 E of Nunnawauk Road · Structure no. 05969

Built
1998
27 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
11,100
2020 count
Owner
State
State Highway Agency

About this bridge

Ssr 490 over Pootatuck River is a prestressed concrete box beam or girders - multiple carrying Ssr 490 over Pootatuck River in Fairfield County, Connecticut. It was built in 1998, so it is 27 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 11,100 vehicles a day, roughly 4% of them trucks, projected to reach 16,493 by 2040. The structure is 63 ft (19.2 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSsr 490
CrossesPootatuck River
Location1500 E of Nunnawauk Road
RouteState Highway 490
Coordinates41.40658, -73.27215
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.8 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,100 (2020)
Projected traffic16,493 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Ssr 490 over Pootatuck River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Ssr 490 over Pootatuck River 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 2023.

How much traffic does Ssr 490 over Pootatuck River carry?

About 11,100 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Ssr 490 over Pootatuck River?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 44 ft wide.

Who owns Ssr 490 over Pootatuck River?

It is owned by the State Highway Agency.