US Bridges

Route 15 over Folly Brook Boulevard

Fair

Hartford County, Connecticut · 1 Mile So. of Hartford Tl · Structure no. 00808

Built
1942
83 years old, rebuilt 1986
Condition
Fair
inspected September 2024
Type
Frame
Steel Continuous
Length
159 ft
2 main spans
Daily traffic
32,000
2022 count
Owner
State
State Highway Agency

About this bridge

Route 15 over Folly Brook Boulevard is a steel continuous frame carrying Route 15 over Folly Brook Boulevard in Hartford County, Connecticut. It was built in 1942 and reconstructed in 1986, so it is 83 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 5 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 32,000 vehicles a day, roughly 6% of them trucks, projected to reach 47,549 by 2042. The structure is 159 ft (48.4 m) long and 85 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 15
CrossesFolly Brook Boulevard
Location1 Mile So. of Hartford Tl
RouteState Highway 15
Coordinates41.71943, -72.67922
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

Structure typeFrame
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length159 ft (48.4 m)
Longest span72 ft (21.9 m)
Deck width85 ft (25.8 m)
Roadway width79 ft (24 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (2022)
Projected traffic47,549 by 2042
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 15 over Folly Brook Boulevard built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1986.

What condition is Route 15 over Folly Brook Boulevard 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 September 2024.

How much traffic does Route 15 over Folly Brook Boulevard carry?

About 32,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Route 15 over Folly Brook Boulevard?

The structure is 159 ft (48.4 m) long with a longest span of 72 ft (21.9 m) and a deck 85 ft wide.

Who owns Route 15 over Folly Brook Boulevard?

It is owned by the State Highway Agency.