US Bridges

HWY Plsnt ST Con over Comb ST 9 WB & CSX

Fair

Middlesex County, Massachusetts · 1 MI W of JCT 90 & 9 · Structure no. F07027290DOTNBI

Built
1994
31 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
192 ft
2 main spans
Daily traffic
11,137
2022 count
Owner
State
State Highway Agency

About this bridge

HWY Plsnt ST Con over Comb ST 9 WB & CSX is a prestressed concrete continuous box beam or girders - single or spread carrying HWY Plsnt ST Con over Comb ST 9 WB & CSX in Middlesex County, Massachusetts. It was built in 1994, so it is 31 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 11,137 vehicles a day, roughly 6% of them trucks, projected to reach 16,109 by 2032. The structure is 192 ft (58.5 m) long and 54 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Plsnt ST Con
CrossesComb ST 9 WB & CSX
Location1 MI W of JCT 90 & 9
RouteState Highway 9
Coordinates42.2976, -71.49051
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82 US tons
Inventory rating53.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span86 ft (26.2 m)
Deck width54 ft (16.5 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,137 (2022)
Projected traffic16,109 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$1.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Plsnt ST Con over Comb ST 9 WB & CSX built?

It was built in 1994, making it 31 years old in 2025.

What condition is HWY Plsnt ST Con over Comb ST 9 WB & CSX 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 June 2023.

How much traffic does HWY Plsnt ST Con over Comb ST 9 WB & CSX carry?

About 11,137 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is HWY Plsnt ST Con over Comb ST 9 WB & CSX?

The structure is 192 ft (58.5 m) long with a longest span of 86 ft (26.2 m) and a deck 54 ft wide.

Who owns HWY Plsnt ST Con over Comb ST 9 WB & CSX?

It is owned by the State Highway Agency.