US Bridges

HWY Columbian ST over RR MBTA

Good

Norfolk County, Massachusetts · 0.97 KM E of ST18 · Structure no. W32009AFBDOT634

Built
2003
22 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
142 ft
3 main spans
Daily traffic
30,500
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Columbian ST over RR MBTA is a steel continuous stringer/multi-beam or girder carrying HWY Columbian ST over RR MBTA in Norfolk County, Massachusetts. It was built in 2003, so it is 22 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 30,500 vehicles a day, roughly 3% of them trucks, projected to reach 36,324 by 2031. The structure is 142 ft (43.3 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY Columbian ST
CrossesRR MBTA
Location0.97 KM E of ST18
CountyNorfolk County
StateMassachusetts
Coordinates42.17878, -70.96621
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span57 ft (17.5 m)
Deck width52 ft (16 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,500 (2023)
Projected traffic36,324 by 2031
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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$1.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Columbian ST over RR MBTA built?

It was built in 2003, making it 22 years old in 2025.

What condition is HWY Columbian ST over RR MBTA 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 September 2023.

How much traffic does HWY Columbian ST over RR MBTA carry?

About 30,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is HWY Columbian ST over RR MBTA?

The structure is 142 ft (43.3 m) long with a longest span of 57 ft (17.5 m) and a deck 52 ft wide.

Who owns HWY Columbian ST over RR MBTA?

It is owned by the State Highway Agency.