US Bridges

Route 111 over Pequonnock River

Fair

Fairfield County, Connecticut · 150 Ft North of Route 25 · Structure no. 04390

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
35 ft
3 main spans
Daily traffic
22,400
2022 count
Owner
State
State Highway Agency

About this bridge

Route 111 over Pequonnock River is a concrete continuous culvert carrying Route 111 over Pequonnock River in Fairfield County, Connecticut. It was built in 1980, so it is 45 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 22,400 vehicles a day, roughly 3% of them trucks, projected to reach 33,284 by 2042. The structure is 35 ft (10.7 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 111
CrossesPequonnock River
Location150 Ft North of Route 25
RouteState Highway 111
Coordinates41.28806, -73.23507
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span11 ft (3.4 m)
Deck width68 ft (20.6 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,400 (2022)
Projected traffic33,284 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 Route 111 over Pequonnock River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Route 111 over Pequonnock 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 August 2024.

How much traffic does Route 111 over Pequonnock River carry?

About 22,400 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Route 111 over Pequonnock River?

The structure is 35 ft (10.7 m) long with a longest span of 11 ft (3.4 m) and a deck 68 ft wide.

Who owns Route 111 over Pequonnock River?

It is owned by the State Highway Agency.