US Bridges

SR 840 (white Turk over Still River

Fair

Fairfield County, Connecticut · .15 MI N of SR 805 Jct. · Structure no. 03917

Built
1977
48 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
153 ft
1 main span
Daily traffic
15,100
2022 count
Owner
State
State Highway Agency

About this bridge

SR 840 (white Turk over Still River is a steel stringer/multi-beam or girder carrying SR 840 (white Turk over Still River in Fairfield County, Connecticut. It was built in 1977, so it is 48 years old, younger 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 6 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 15,100 vehicles a day, roughly 3% of them trucks, projected to reach 22,437 by 2042. The structure is 153 ft (46.6 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 840 (white Turk
CrossesStill River
Location.15 MI N of SR 805 Jct.
RouteState Highway 840
CountyFairfield County
StateConnecticut
Coordinates41.42157, -73.41686
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.6 US tons
Inventory rating72.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span145 ft (44.2 m)
Deck width68 ft (20.6 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,100 (2022)
Projected traffic22,437 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 SR 840 (white Turk over Still River built?

It was built in 1977, making it 48 years old in 2025.

What condition is SR 840 (white Turk over Still River 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 February 2024.

How much traffic does SR 840 (white Turk over Still River carry?

About 15,100 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is SR 840 (white Turk over Still River?

The structure is 153 ft (46.6 m) long with a longest span of 145 ft (44.2 m) and a deck 68 ft wide.

Who owns SR 840 (white Turk over Still River?

It is owned by the State Highway Agency.