US Bridges

I 90 EB over US 20 Jacobs Ladder RD

Fair

Berkshire County, Massachusetts · 0.5MI E JCT Rtes 20&8 B2 · Structure no. B030604FYDOTNBI

Built
1957
68 years old, rebuilt 1986
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
258 ft
3 main spans
Daily traffic
13,590
2021 count
Owner
State
State Highway Agency

About this bridge

I 90 EB over US 20 Jacobs Ladder RD is a steel continuous 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 1986, 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 5 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 13,590 vehicles a day, roughly 22% of them trucks, projected to reach 44,220 by 2033. The structure is 258 ft (78.6 m) long and 45 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

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CarriesI 90 EB
CrossesUS 20 Jacobs Ladder RD
Location0.5MI E JCT Rtes 20&8 B2
RouteInterstate 90
CountyBerkshire County
StateMassachusetts
Coordinates42.26154, -73.12702
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length258 ft (78.6 m)
Longest span116 ft (35.4 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,590 (2021)
Projected traffic44,220 by 2033
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed29.8 mi (48 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$10.5 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 1986.

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 13,590 vehicles per day (2021 count), of which roughly 22% are trucks.

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

The structure is 258 ft (78.6 m) long with a longest span of 116 ft (35.4 m) and a deck 45 ft wide.

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

It is owned by the State Highway Agency.