US Bridges

Mason Lane over Stream

Fair

Tolland County, Connecticut · 0.5 MI East of Battle St. · Structure no. 06974

Built
2008
17 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
106
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mason Lane over Stream is a steel stringer/multi-beam or girder carrying Mason Lane over Stream in Tolland County, Connecticut. It was built in 2008, so it is 17 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 106 vehicles a day, roughly 1% of them trucks, projected to reach 158 by 2043. The structure is 33 ft (10.1 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMason Lane
CrossesStream
Location0.5 MI East of Battle St.
RouteCity Street 0
Coordinates41.99051, -72.4335
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2023)
Projected traffic158 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 Mason Lane over Stream built?

It was built in 2008, making it 17 years old in 2025.

What condition is Mason Lane over Stream 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 August 2023.

How much traffic does Mason Lane over Stream carry?

About 106 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Mason Lane over Stream?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns Mason Lane over Stream?

It is owned by the Town or Township Highway Agency.