US Bridges

HWY Herald ST over RR CSX Spur

Fair

Suffolk County, Massachusetts · At Ink Block · Structure no. B1627538QMUNNBI

Built
1957
68 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
93 ft
1 main span
Daily traffic
25,300
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Herald ST over RR CSX Spur is a concrete tee beam carrying HWY Herald ST over RR CSX Spur in Suffolk County, Massachusetts. It was built in 1957, so it is 68 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 25,300 vehicles a day, roughly 4% of them trucks, projected to reach 45,642 by 2031. The structure is 93 ft (28.3 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Herald ST
CrossesRR CSX Spur
LocationAt Ink Block
RouteCity Street 0
Coordinates42.34611, -71.06217
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating62.3 US tons
Inventory rating37.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span89 ft (27.1 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,300 (2024)
Projected traffic45,642 by 2031
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Herald ST over RR CSX Spur built?

It was built in 1957, making it 68 years old in 2025.

What condition is HWY Herald ST over RR CSX Spur in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does HWY Herald ST over RR CSX Spur carry?

About 25,300 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is HWY Herald ST over RR CSX Spur?

The structure is 93 ft (28.3 m) long with a longest span of 89 ft (27.1 m) and a deck 52 ft wide.

Who owns HWY Herald ST over RR CSX Spur?

It is owned by the City or Municipal Highway Agency and maintained by the Private (other than railroad).