US Bridges

Smith Place over Mill Brook

Good

Litchfield County, Connecticut · Int Smith Place & RTE 128 · Structure no. 05187

Built
1955
70 years old, rebuilt 2018
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
25
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Smith Place over Mill Brook is a concrete slab carrying Smith Place over Mill Brook in Litchfield County, Connecticut. It was built in 1955 and reconstructed in 2018, so it is 70 years old, older 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 25 vehicles a day, roughly 2% of them trucks, projected to reach 37 by 2038. The structure is 27 ft (8.2 m) long and 17 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSmith Place
CrossesMill Brook
LocationInt Smith Place & RTE 128
RouteCity Street 0
Coordinates41.87153, -73.36094
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width17 ft (5.3 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2018)
Projected traffic37 by 2038
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Smith Place over Mill Brook built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2018.

What condition is Smith Place over Mill 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 December 2024.

How much traffic does Smith Place over Mill Brook carry?

About 25 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Smith Place over Mill Brook?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 17 ft wide.

Who owns Smith Place over Mill Brook?

It is owned by the Town or Township Highway Agency.