US Bridges

Route 159 over Farmington River

Fair

Hartford County, Connecticut · 0.4 Mile North of RTE 75 · Structure no. 05978

Built
1991
34 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
275 ft
2 main spans
Daily traffic
6,600
2016 count
Owner
State
State Highway Agency

About this bridge

Route 159 over Farmington River is a steel continuous stringer/multi-beam or girder carrying Route 159 over Farmington River in Hartford County, Connecticut. It was built in 1991, so it is 34 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 6,600 vehicles a day, roughly 5% of them trucks, projected to reach 9,807 by 2036. The structure is 275 ft (83.8 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 159
CrossesFarmington River
Location0.4 Mile North of RTE 75
RouteState Highway 159
Coordinates41.85683, -72.6386
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating57.5 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length275 ft (83.8 m)
Longest span146 ft (44.5 m)
Deck width58 ft (17.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2016)
Projected traffic9,807 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 159 over Farmington River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Route 159 over Farmington 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 July 2023.

How much traffic does Route 159 over Farmington River carry?

About 6,600 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Route 159 over Farmington River?

The structure is 275 ft (83.8 m) long with a longest span of 146 ft (44.5 m) and a deck 58 ft wide.

Who owns Route 159 over Farmington River?

It is owned by the State Highway Agency.