US Bridges

I 91 over Comb Sts/Csx/Gwrr/Garag

Fair

Hampden County, Massachusetts · JCT City Garage & Bmrr · Structure no. S2406110KDOTNBI

Built
1971
54 years old, rebuilt 2019
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,512 ft
14 main spans
Daily traffic
143,144
2022 count
Owner
State
State Highway Agency

About this bridge

I 91 over Comb Sts/Csx/Gwrr/Garag is a steel stringer/multi-beam or girder carrying I 91 over Comb Sts/Csx/Gwrr/Garag in Hampden County, Massachusetts. It was built in 1971 and reconstructed in 2019, 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 143,144 vehicles a day, roughly 5% of them trucks, projected to reach 169,143 by 2032. The structure is 1,512 ft (460.9 m) long and 152 ft wide.

Location

Open in Google Maps
CarriesI 91
CrossesComb Sts/Csx/Gwrr/Garag
LocationJCT City Garage & Bmrr
RouteInterstate 91
CountyHampden County
StateMassachusetts
Coordinates42.1035, -72.59702
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.
Substructure7 GoodSome minor problems.
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 rating54.7 US tons
Inventory rating32.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans14 (+7 approach)
Design loadHL 93
Structure length1,512 ft (460.9 m)
Longest span136 ft (41.5 m)
Deck width152 ft (46.2 m)
Roadway width96 ft (29.4 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic143,144 (2022)
Projected traffic169,143 by 2032
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 Comb Sts/Csx/Gwrr/Garag built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2019.

What condition is I 91 over Comb Sts/Csx/Gwrr/Garag 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 Comb Sts/Csx/Gwrr/Garag carry?

About 143,144 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I 91 over Comb Sts/Csx/Gwrr/Garag?

The structure is 1,512 ft (460.9 m) long with a longest span of 136 ft (41.5 m) and a deck 152 ft wide.

Who owns I 91 over Comb Sts/Csx/Gwrr/Garag?

It is owned by the State Highway Agency.