US Bridges

Maltby Street over Copper Mine Brook

Fair

Hartford County, Connecticut · .2 MI West of Stafford Av · Structure no. 04294

Built
1979
46 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
117 ft
2 main spans
Daily traffic
7,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Maltby Street over Copper Mine Brook is a prestressed concrete box beam or girders - multiple carrying Maltby Street over Copper Mine Brook in Hartford County, Connecticut. It was built in 1979, so it is 46 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 7,000 vehicles a day, roughly 3% of them trucks, projected to reach 10,401 by 2044. The structure is 117 ft (35.7 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMaltby Street
CrossesCopper Mine Brook
Location.2 MI West of Stafford Av
RouteCity Street 0
Coordinates41.70079, -72.91571
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating63.6 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span56 ft (17.1 m)
Deck width50 ft (15.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2024)
Projected traffic10,401 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Maltby Street over Copper Mine Brook built?

It was built in 1979, making it 46 years old in 2025.

What condition is Maltby Street over Copper Mine Brook 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 October 2024.

How much traffic does Maltby Street over Copper Mine Brook carry?

About 7,000 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Maltby Street over Copper Mine Brook?

The structure is 117 ft (35.7 m) long with a longest span of 56 ft (17.1 m) and a deck 50 ft wide.

Who owns Maltby Street over Copper Mine Brook?

It is owned by the City or Municipal Highway Agency.