US Bridges

HWY Elm ST over I 91

Fair

Hampshire County, Massachusetts · Mm 27.3 on I-91 · Structure no. H1102612UDOTNBI

Built
1963
62 years old, rebuilt 1987
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
279 ft
5 main spans
Daily traffic
20,172
2016 count
Owner
State
State Highway Agency

About this bridge

HWY Elm ST over I 91 is a steel stringer/multi-beam or girder carrying HWY Elm ST over I 91 in Hampshire County, Massachusetts. It was built in 1963 and reconstructed in 1987, so it is 62 years old, younger 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 20,172 vehicles a day, roughly 5% of them trucks, projected to reach 9,190 by 2031. The structure is 279 ft (85 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHWY Elm ST
CrossesI 91
LocationMm 27.3 on I-91
RouteCity Street 0
Coordinates42.36056, -72.63673
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating24.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length279 ft (85 m)
Longest span65 ft (19.9 m)
Deck width47 ft (14.3 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,172 (2016)
Projected traffic9,190 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$12 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Elm ST over I 91 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1987.

What condition is HWY Elm ST over I 91 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 October 2024.

How much traffic does HWY Elm ST over I 91 carry?

About 20,172 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is HWY Elm ST over I 91?

The structure is 279 ft (85 m) long with a longest span of 65 ft (19.9 m) and a deck 47 ft wide.

Who owns HWY Elm ST over I 91?

It is owned by the State Highway Agency.