US Bridges

I 90 EB over Water Larrywaug Brook

Good

Berkshire County, Massachusetts · At Mile Marker 5.4 · Structure no. S260124H4DOTNBI

Built
1957
68 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
12,314
2016 count
Owner
State
State Highway Agency

About this bridge

I 90 EB over Water Larrywaug Brook is a concrete continuous culvert carrying I 90 EB over Water Larrywaug Brook in Berkshire County, Massachusetts. It was built in 1957, so it is 68 years old, older than the Massachusetts average of 63.8 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 12,314 vehicles a day, roughly 22% of them trucks, projected to reach 36,087 by 2032. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 90 EB
CrossesWater Larrywaug Brook
LocationAt Mile Marker 5.4
RouteInterstate 90
Coordinates42.3043, -73.33503
Functional classRural Principal Arterial - Interstate

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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.5 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,314 (2016)
Projected traffic36,087 by 2032
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$443,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 90 EB over Water Larrywaug Brook built?

It was built in 1957, making it 68 years old in 2025.

What condition is I 90 EB over Water Larrywaug 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 2023.

How much traffic does I 90 EB over Water Larrywaug Brook carry?

About 12,314 vehicles per day (2016 count), of which roughly 22% are trucks.

How long is I 90 EB over Water Larrywaug Brook?

The structure is 31 ft (9.5 m) long with a longest span of 15 ft (4.6 m).

Who owns I 90 EB over Water Larrywaug Brook?

It is owned by the State Highway Agency.