US Bridges

HWY Middlboro Av over RR Mbta/Csx

Good

Bristol County, Massachusetts · MP Qnb 17.8 · Structure no. T01003AGWDOT634

Built
2000
25 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
164 ft
3 main spans
Daily traffic
4,500
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Middlboro Av over RR Mbta/Csx is a steel continuous stringer/multi-beam or girder carrying HWY Middlboro Av over RR Mbta/Csx in Bristol County, Massachusetts. It was built in 2000, so it is 25 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 4,500 vehicles a day, roughly 6% of them trucks, projected to reach 6,949 by 2033. The structure is 164 ft (50 m) long and 48 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesHWY Middlboro Av
CrossesRR Mbta/Csx
LocationMP Qnb 17.8
RouteCity Street 0
CountyBristol County
StateMassachusetts
Coordinates41.88638, -70.99082
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50 m)
Longest span63 ft (19.1 m)
Deck width48 ft (14.7 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2024)
Projected traffic6,949 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Middlboro Av over RR Mbta/Csx built?

It was built in 2000, making it 25 years old in 2025.

What condition is HWY Middlboro Av over RR Mbta/Csx 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 January 2024.

How much traffic does HWY Middlboro Av over RR Mbta/Csx carry?

About 4,500 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is HWY Middlboro Av over RR Mbta/Csx?

The structure is 164 ft (50 m) long with a longest span of 63 ft (19.1 m) and a deck 48 ft wide.

Who owns HWY Middlboro Av over RR Mbta/Csx?

It is owned by the State Highway Agency.