US Bridges

Route 66 over Blackledge River

Fair

Hartford County, Connecticut · 0.9 MI W Hebron Tl · Structure no. 00526

Built
1927
98 years old, rebuilt 1986
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
8,800
2021 count
Owner
State
State Highway Agency

About this bridge

Route 66 over Blackledge River is a concrete tee beam carrying Route 66 over Blackledge River in Hartford County, Connecticut. It was built in 1927 and reconstructed in 1986, so it is 98 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 8,800 vehicles a day, roughly 7% of them trucks, projected to reach 13,076 by 2041. The structure is 31 ft (9.4 m) long and 38 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesRoute 66
CrossesBlackledge River
Location0.9 MI W Hebron Tl
RouteState Highway 66
Coordinates41.64411, -72.43588
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2021)
Projected traffic13,076 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 66 over Blackledge River built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1986.

What condition is Route 66 over Blackledge 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 September 2023.

How much traffic does Route 66 over Blackledge River carry?

About 8,800 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Route 66 over Blackledge River?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 38 ft wide.

Who owns Route 66 over Blackledge River?

It is owned by the State Highway Agency.