US Bridges

HWY Ramp T-D over HWY Relief

Fair

Suffolk County, Massachusetts · 1.20 KM SE of Callahan Tu · Structure no. B165599GCMPANBI

Built
2001
24 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
429 ft
4 main spans
Daily traffic
6,900
2001 count
Owner
State
Other State Agency

About this bridge

HWY Ramp T-D over HWY Relief is a prestressed concrete continuous box beam or girders - single or spread carrying HWY Ramp T-D over HWY Relief in Suffolk County, Massachusetts. It was built in 2001, so it is 24 years old, younger 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 6,900 vehicles a day, projected to reach 18,162 by 21. The structure is 429 ft (130.7 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHWY Ramp T-D
CrossesHWY Relief
Location1.20 KM SE of Callahan Tu
Coordinates42.36944, -71.02778
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckOther
Main spans4
Design loadHS 25 or greater
Structure length429 ft (130.7 m)
Longest span130 ft (39.6 m)
Deck width27 ft (8.1 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2001)
Projected traffic18,162 by 21
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Ramp T-D over HWY Relief built?

It was built in 2001, making it 24 years old in 2025.

What condition is HWY Ramp T-D over HWY Relief 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 September 2023.

How much traffic does HWY Ramp T-D over HWY Relief carry?

About 6,900 vehicles per day (2001 count).

How long is HWY Ramp T-D over HWY Relief?

The structure is 429 ft (130.7 m) long with a longest span of 130 ft (39.6 m) and a deck 27 ft wide.

Who owns HWY Ramp T-D over HWY Relief?

It is owned by the Other State Agency.