US Bridges

ST 79 NB over RR Southern U-Turn

Good

Bristol County, Massachusetts · .5 Mi. N. of I 195 · Structure no. F02087CFQDOTNBI

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
127 ft
2 main spans
Daily traffic
34,400
2024 count
Owner
State
State Highway Agency

About this bridge

ST 79 NB over RR Southern U-Turn is a steel continuous stringer/multi-beam or girder carrying ST 79 NB over RR Southern U-Turn in Bristol County, Massachusetts. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 34,400 vehicles a day, roughly 3% of them trucks. The structure is 127 ft (38.8 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesST 79 NB
CrossesRR Southern U-Turn
Location.5 Mi. N. of I 195
RouteState Highway 79
Coordinates41.71013, -71.1572
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length127 ft (38.8 m)
Longest span59 ft (17.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,400 (2024)
Projected traffic—
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 ST 79 NB over RR Southern U-Turn built?

It was built in 2024, making it 1 years old in 2025.

What condition is ST 79 NB over RR Southern U-Turn 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 December 2024.

How much traffic does ST 79 NB over RR Southern U-Turn carry?

About 34,400 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is ST 79 NB over RR Southern U-Turn?

The structure is 127 ft (38.8 m) long with a longest span of 59 ft (17.9 m) and a deck 35 ft wide.

Who owns ST 79 NB over RR Southern U-Turn?

It is owned by the State Highway Agency.