US Bridges

Powder Mill Road over Nepaug River

Fair

Hartford County, Connecticut · 0.3MI N of Town Bridge RD · Structure no. 04490

Built
2000
25 years old
Condition
Fair
inspected June 2024
Type
Truss - Thru
Steel
Length
60 ft
1 main span
Daily traffic
70
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Powder Mill Road over Nepaug River is a steel truss - thru carrying Powder Mill Road over Nepaug River in Hartford County, Connecticut. It was built in 2000, so it is 25 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 70 vehicles a day, projected to reach 104 by 2044. The structure is 60 ft (18.3 m) long and 32 ft wide.

CarriesPowder Mill Road
CrossesNepaug River
Location0.3MI N of Town Bridge RD
RouteCity Street 0
Coordinates41.82844, -72.92984
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating28.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length60 ft (18.3 m)
Longest span55 ft (16.8 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2024)
Projected traffic104 by 2044
Trucks—
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Powder Mill Road over Nepaug River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Powder Mill Road over Nepaug 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 2024.

How much traffic does Powder Mill Road over Nepaug River carry?

About 70 vehicles per day (2024 count).

How long is Powder Mill Road over Nepaug River?

The structure is 60 ft (18.3 m) long with a longest span of 55 ft (16.8 m) and a deck 32 ft wide.

Who owns Powder Mill Road over Nepaug River?

It is owned by the Town or Township Highway Agency.