US Bridges

I 90 EB over US 20 Jacobs Ladder RD

Fair

Berkshire County, Massachusetts · .2MI.E.GREENWATER Pond B1 · Structure no. B030594G1DOTNBI

Built
1957
68 years old, rebuilt 1987
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
159 ft
3 main spans
Daily traffic
14,011
2022 count
Owner
State
State Highway Agency

About this bridge

I 90 EB over US 20 Jacobs Ladder RD is a steel stringer/multi-beam or girder carrying I 90 EB over US 20 Jacobs Ladder RD in Berkshire County, Massachusetts. It was built in 1957 and reconstructed in 1987, 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 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 14,011 vehicles a day, roughly 14% of them trucks, projected to reach 44,220 by 2033. The structure is 159 ft (48.6 m) long and 46 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesI 90 EB
CrossesUS 20 Jacobs Ladder RD
Location.2MI.E.GREENWATER Pond B1
RouteInterstate 90
CountyBerkshire County
StateMassachusetts
Coordinates42.27704, -73.14167
Functional classRural Principal Arterial - Interstate

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.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.6 m)
Longest span65 ft (19.9 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,011 (2022)
Projected traffic44,220 by 2033
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed29.8 mi (48 km)
TollOn a free 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 EB over US 20 Jacobs Ladder RD built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1987.

What condition is I 90 EB over US 20 Jacobs Ladder RD 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 April 2023.

How much traffic does I 90 EB over US 20 Jacobs Ladder RD carry?

About 14,011 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is I 90 EB over US 20 Jacobs Ladder RD?

The structure is 159 ft (48.6 m) long with a longest span of 65 ft (19.9 m) and a deck 46 ft wide.

Who owns I 90 EB over US 20 Jacobs Ladder RD?

It is owned by the State Highway Agency.