US Bridges

Route 110 over Farmill River

Fair

Fairfield County, Connecticut · 1.0 MI N of Route 15 · Structure no. 01313

Built
1959
66 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
17,500
2016 count
Owner
State
State Highway Agency

About this bridge

Route 110 over Farmill River is a steel stringer/multi-beam or girder carrying Route 110 over Farmill River in Fairfield County, Connecticut. It was built in 1959, so it is 66 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 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 17,500 vehicles a day, roughly 5% of them trucks, projected to reach 26,003 by 2036. The structure is 61 ft (18.6 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesRoute 110
CrossesFarmill River
Location1.0 MI N of Route 15
RouteState Highway 110
Coordinates41.25907, -73.09775
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating77.4 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span56 ft (17.1 m)
Deck width46 ft (13.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2016)
Projected traffic26,003 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Route 110 over Farmill River built?

It was built in 1959, making it 66 years old in 2025.

What condition is Route 110 over Farmill 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 May 2023.

How much traffic does Route 110 over Farmill River carry?

About 17,500 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Route 110 over Farmill River?

The structure is 61 ft (18.6 m) long with a longest span of 56 ft (17.1 m) and a deck 46 ft wide.

Who owns Route 110 over Farmill River?

It is owned by the State Highway Agency.