US Bridges

I 95 SB over HWY Old Post RD

Fair

Norfolk County, Massachusetts · .1 M East of RTE 1 · Structure no. S090133R9DOTNBI

Built
1963
62 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
168 ft
3 main spans
Daily traffic
55,357
2023 count
Owner
State
State Highway Agency

About this bridge

I 95 SB over HWY Old Post RD is a steel stringer/multi-beam or girder carrying I 95 SB over HWY Old Post RD in Norfolk County, Massachusetts. It was built in 1963, so it is 62 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 55,357 vehicles a day, roughly 6% of them trucks, projected to reach 78,965 by 2031. The structure is 168 ft (51.2 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 95 SB
CrossesHWY Old Post RD
Location.1 M East of RTE 1
RouteInterstate 95
CountyNorfolk County
StateMassachusetts
Coordinates42.12217, -71.23004
Functional classUrban Principal Arterial - Interstate

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 inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating63.8 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length168 ft (51.2 m)
Longest span78 ft (23.8 m)
Deck width56 ft (17.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,357 (2023)
Projected traffic78,965 by 2031
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 SB over HWY Old Post RD built?

It was built in 1963, making it 62 years old in 2025.

What condition is I 95 SB over HWY Old Post RD 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 October 2024.

How much traffic does I 95 SB over HWY Old Post RD carry?

About 55,357 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I 95 SB over HWY Old Post RD?

The structure is 168 ft (51.2 m) long with a longest span of 78 ft (23.8 m) and a deck 56 ft wide.

Who owns I 95 SB over HWY Old Post RD?

It is owned by the State Highway Agency.