US Bridges

Asylum Avenue over North Branch Park River

Fair

Hartford County, Connecticut · 300 East of Elizabeth ST · Structure no. 03630

Built
1959
66 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
63 ft
2 main spans
Daily traffic
11,600
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Asylum Avenue over North Branch Park River is a concrete continuous culvert carrying Asylum Avenue over North Branch Park River in Hartford 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 11,600 vehicles a day, roughly 4% of them trucks, projected to reach 17,236 by 2041. The structure is 63 ft (19.2 m) long and 66 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAsylum Avenue
CrossesNorth Branch Park River
Location300 East of Elizabeth ST
RouteCity Street 0
Coordinates41.77319, -72.70339
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span30 ft (9.1 m)
Deck width66 ft (20 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,600 (2021)
Projected traffic17,236 by 2041
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Asylum Avenue over North Branch Park River built?

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

What condition is Asylum Avenue over North Branch Park 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 June 2023.

How much traffic does Asylum Avenue over North Branch Park River carry?

About 11,600 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Asylum Avenue over North Branch Park River?

The structure is 63 ft (19.2 m) long with a longest span of 30 ft (9.1 m) and a deck 66 ft wide.

Who owns Asylum Avenue over North Branch Park River?

It is owned by the City or Municipal Highway Agency.