US Bridges

US 6 Wb/Md Cp HWY over HWY Union ST

Fair

Barnstable County, Massachusetts · 2.3 M E of Willow ST · Structure no. Y0100647ADOTNBI

Built
1954
71 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
17,211
2022 count
Owner
State
State Highway Agency

About this bridge

US 6 Wb/Md Cp HWY over HWY Union ST is a steel stringer/multi-beam or girder carrying US 6 Wb/Md Cp HWY over HWY Union ST in Barnstable County, Massachusetts. It was built in 1954, so it is 71 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 17,211 vehicles a day, roughly 8% of them trucks, projected to reach 39,482 by 2032. The structure is 69 ft (21 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesUS 6 Wb/Md Cp HWY
CrossesHWY Union ST
Location2.3 M E of Willow ST
RouteU.S. Route 6
CountyBarnstable County
StateMassachusetts
Coordinates41.69032, -70.21474
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
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.8 US tons
Inventory rating27.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length69 ft (21 m)
Longest span65 ft (19.7 m)
Deck width45 ft (13.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,211 (2022)
Projected traffic39,482 by 2032
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$2.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 6 Wb/Md Cp HWY over HWY Union ST built?

It was built in 1954, making it 71 years old in 2025.

What condition is US 6 Wb/Md Cp HWY over HWY Union ST 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 US 6 Wb/Md Cp HWY over HWY Union ST carry?

About 17,211 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US 6 Wb/Md Cp HWY over HWY Union ST?

The structure is 69 ft (21 m) long with a longest span of 65 ft (19.7 m) and a deck 45 ft wide.

Who owns US 6 Wb/Md Cp HWY over HWY Union ST?

It is owned by the State Highway Agency.