US Bridges

Williamson Road over Crystal Lake Brook

Good

Tolland County, Connecticut · 1000 Ft West of Route 30 · Structure no. 07057

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
43
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Williamson Road over Crystal Lake Brook is a concrete culvert carrying Williamson Road over Crystal Lake Brook in Tolland County, Connecticut. It was built in 2021, so it is 4 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 43 vehicles a day, roughly 1% of them trucks, projected to reach 64 by 2043. The structure is 22 ft (6.7 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWilliamson Road
CrossesCrystal Lake Brook
Location1000 Ft West of Route 30
RouteCity Street 0
Coordinates41.96691, -72.36214
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.1 US tons
Inventory rating63.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2023)
Projected traffic64 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-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 Williamson Road over Crystal Lake Brook built?

It was built in 2021, making it 4 years old in 2025.

What condition is Williamson Road over Crystal Lake 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 September 2023.

How much traffic does Williamson Road over Crystal Lake Brook carry?

About 43 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Williamson Road over Crystal Lake Brook?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Williamson Road over Crystal Lake Brook?

It is owned by the Town or Township Highway Agency.