US Bridges

I 91 over HWY City Sts&garage

Fair

Hampden County, Massachusetts · JCT Various City Streets · Structure no. S2406110JDOTNBI

Built
1971
54 years old, rebuilt 2017
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,965 ft
22 main spans
Daily traffic
125,740
2018 count
Owner
State
State Highway Agency

About this bridge

I 91 over HWY City Sts&garage is a steel stringer/multi-beam or girder carrying I 91 over HWY City Sts&garage in Hampden County, Massachusetts. It was built in 1971 and reconstructed in 2017, so it is 54 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 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 125,740 vehicles a day, roughly 5% of them trucks, projected to reach 165,195 by 2032. The structure is 1,965 ft (598.8 m) long and 121 ft wide.

Location

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CarriesI 91
CrossesHWY City Sts&garage
LocationJCT Various City Streets
RouteInterstate 91
CountyHampden County
StateMassachusetts
Coordinates42.10252, -72.59467
Functional classUrban 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.
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 inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.9 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans22 (+6 approach)
Design loadHL 93
Structure length1,965 ft (598.8 m)
Longest span97 ft (29.6 m)
Deck width121 ft (37 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic125,740 (2018)
Projected traffic165,195 by 2032
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 91 over HWY City Sts&garage built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2017.

What condition is I 91 over HWY City Sts&garage 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 August 2023.

How much traffic does I 91 over HWY City Sts&garage carry?

About 125,740 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is I 91 over HWY City Sts&garage?

The structure is 1,965 ft (598.8 m) long with a longest span of 97 ft (29.6 m) and a deck 121 ft wide.

Who owns I 91 over HWY City Sts&garage?

It is owned by the State Highway Agency.