US Bridges

I 90 EB over HWY Chestnut ST

Fair

Berkshire County, Massachusetts · .1 MI N. RTE 20 A18 · Structure no. L050514GADOTNBI

Built
1957
68 years old, rebuilt 1993
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
114 ft
3 main spans
Daily traffic
12,308
2017 count
Owner
State
State Highway Agency

About this bridge

I 90 EB over HWY Chestnut ST is a steel stringer/multi-beam or girder carrying I 90 EB over HWY Chestnut ST in Berkshire County, Massachusetts. It was built in 1957 and reconstructed in 1993, 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 12,308 vehicles a day, roughly 22% of them trucks, projected to reach 31,902 by 2031. The structure is 114 ft (34.8 m) long and 45 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesI 90 EB
CrossesHWY Chestnut ST
Location.1 MI N. RTE 20 A18
RouteInterstate 90
CountyBerkshire County
StateMassachusetts
Coordinates42.30083, -73.20368
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating39.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length114 ft (34.8 m)
Longest span37 ft (11.3 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,308 (2017)
Projected traffic31,902 by 2031
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$935,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 EB over HWY Chestnut ST built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1993.

What condition is I 90 EB over HWY Chestnut ST 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 2024.

How much traffic does I 90 EB over HWY Chestnut ST carry?

About 12,308 vehicles per day (2017 count), of which roughly 22% are trucks.

How long is I 90 EB over HWY Chestnut ST?

The structure is 114 ft (34.8 m) long with a longest span of 37 ft (11.3 m) and a deck 45 ft wide.

Who owns I 90 EB over HWY Chestnut ST?

It is owned by the State Highway Agency.