US Bridges

Route 315 over Farmington River

Fair

Hartford County, Connecticut · .2 MI E of Route 10 & 202 · Structure no. 06191

Built
1992
33 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
317 ft
4 main spans
Daily traffic
7,900
2022 count
Owner
State
State Highway Agency

About this bridge

Route 315 over Farmington River is a steel stringer/multi-beam or girder carrying Route 315 over Farmington River in Hartford County, Connecticut. It was built in 1992, so it is 33 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 7,900 vehicles a day, roughly 3% of them trucks, projected to reach 11,739 by 2042. The structure is 317 ft (96.7 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRoute 315
CrossesFarmington River
Location.2 MI E of Route 10 & 202
RouteState Highway 315
Coordinates41.8946, -72.78386
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment7: Better than present minimum criteria
Operating rating58.5 US tons
Inventory rating45.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length317 ft (96.7 m)
Longest span111 ft (33.8 m)
Deck width47 ft (14.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2022)
Projected traffic11,739 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 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 315 over Farmington River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Route 315 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 May 2024.

How much traffic does Route 315 over Farmington River carry?

About 7,900 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Route 315 over Farmington River?

The structure is 317 ft (96.7 m) long with a longest span of 111 ft (33.8 m) and a deck 47 ft wide.

Who owns Route 315 over Farmington River?

It is owned by the State Highway Agency.