US Bridges

US 6 Wb/Md Cp HWY over Comb Willow ST & Macrr

Fair

Barnstable County, Massachusetts · 4.0 M E of RTE 132 · Structure no. Y01005474DOTNBI

Built
1953
72 years old, rebuilt 1997
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
194 ft
4 main spans
Daily traffic
22,537
2023 count
Owner
State
State Highway Agency

About this bridge

US 6 Wb/Md Cp HWY over Comb Willow ST & Macrr is a steel stringer/multi-beam or girder carrying US 6 Wb/Md Cp HWY over Comb Willow ST & Macrr in Barnstable County, Massachusetts. It was built in 1953 and reconstructed in 1997, so it is 72 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 22,537 vehicles a day, roughly 4% of them trucks, projected to reach 67,910 by 2032. The structure is 194 ft (59.1 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 6 Wb/Md Cp HWY
CrossesComb Willow ST & Macrr
Location4.0 M E of RTE 132
RouteU.S. Route 6
Coordinates41.68738, -70.25713
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment9: Superior to present desirable criteria
Operating rating53.6 US tons
Inventory rating28.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length194 ft (59.1 m)
Longest span76 ft (23.2 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,537 (2023)
Projected traffic67,910 by 2032
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 6 Wb/Md Cp HWY over Comb Willow ST & Macrr built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1997.

What condition is US 6 Wb/Md Cp HWY over Comb Willow ST & Macrr 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 April 2024.

How much traffic does US 6 Wb/Md Cp HWY over Comb Willow ST & Macrr carry?

About 22,537 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 6 Wb/Md Cp HWY over Comb Willow ST & Macrr?

The structure is 194 ft (59.1 m) long with a longest span of 76 ft (23.2 m) and a deck 45 ft wide.

Who owns US 6 Wb/Md Cp HWY over Comb Willow ST & Macrr?

It is owned by the State Highway Agency.