US Bridges

Naubuc Avenue over Salmon Brook

Good

Hartford County, Connecticut · 0.5 MI North of Main St. · Structure no. 06113

Built
1970
55 years old
Condition
Good
inspected May 2023
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
2,000
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Naubuc Avenue over Salmon Brook is a steel culvert carrying Naubuc Avenue over Salmon Brook in Hartford County, Connecticut. It was built in 1970, so it is 55 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,000 vehicles a day, roughly 2% of them trucks, projected to reach 2,972 by 2041. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNaubuc Avenue
CrossesSalmon Brook
Location0.5 MI North of Main St.
RouteCity Street 0
Coordinates41.71542, -72.62022
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2021)
Projected traffic2,972 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Naubuc Avenue over Salmon Brook built?

It was built in 1970, making it 55 years old in 2025.

What condition is Naubuc Avenue over Salmon Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Naubuc Avenue over Salmon Brook carry?

About 2,000 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Naubuc Avenue over Salmon Brook?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns Naubuc Avenue over Salmon Brook?

It is owned by the Town or Township Highway Agency.