US Bridges

ST 79 over HWY Wilson RD

Good

Bristol County, Massachusetts · .6 MI S of ST 24 · Structure no. F020513VCDOTNBI

Built
1962
63 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
25,947
2022 count
Owner
State
State Highway Agency

About this bridge

ST 79 over HWY Wilson RD is a prestressed concrete stringer/multi-beam or girder carrying ST 79 over HWY Wilson RD in Bristol County, Massachusetts. It was built in 1962, so it is 63 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 25,947 vehicles a day, roughly 5% of them trucks, projected to reach 47,379 by 2032. The structure is 59 ft (18 m) long and 90 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesST 79
CrossesHWY Wilson RD
Location.6 MI S of ST 24
RouteState Highway 79
Coordinates41.74022, -71.12547
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 alignment7: Better than present minimum criteria
Operating rating57.1 US tons
Inventory rating34.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length59 ft (18 m)
Longest span56 ft (17.1 m)
Deck width90 ft (27.5 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,947 (2022)
Projected traffic47,379 by 2032
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 79 over HWY Wilson RD built?

It was built in 1962, making it 63 years old in 2025.

What condition is ST 79 over HWY Wilson 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 August 2023.

How much traffic does ST 79 over HWY Wilson RD carry?

About 25,947 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is ST 79 over HWY Wilson RD?

The structure is 59 ft (18 m) long with a longest span of 56 ft (17.1 m) and a deck 90 ft wide.

Who owns ST 79 over HWY Wilson RD?

It is owned by the State Highway Agency.