US Bridges

I 91 SB over HWY Lower RD

Good

Franklin County, Massachusetts · Mm 38.9 on I-91 SB · Structure no. D06045B8WDOTNBI

Built
2015
10 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
15,872
2018 count
Owner
State
State Highway Agency

About this bridge

I 91 SB over HWY Lower RD is a steel stringer/multi-beam or girder carrying I 91 SB over HWY Lower RD in Franklin County, Massachusetts. It was built in 2015, so it is 10 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,872 vehicles a day, roughly 8% of them trucks. The structure is 84 ft (25.7 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 91 SB
CrossesHWY Lower RD
LocationMm 38.9 on I-91 SB
RouteInterstate 91
CountyFranklin County
StateMassachusetts
Coordinates42.52669, -72.62722
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length84 ft (25.7 m)
Longest span80 ft (24.4 m)
Deck width50 ft (15.1 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,872 (2018)
Projected traffic—
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 91 SB over HWY Lower RD built?

It was built in 2015, making it 10 years old in 2025.

What condition is I 91 SB over HWY Lower RD in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does I 91 SB over HWY Lower RD carry?

About 15,872 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is I 91 SB over HWY Lower RD?

The structure is 84 ft (25.7 m) long with a longest span of 80 ft (24.4 m) and a deck 50 ft wide.

Who owns I 91 SB over HWY Lower RD?

It is owned by the State Highway Agency.