US Bridges

HWY N Dennis RD over US 6 Mid Cape HWY

Fair

Barnstable County, Massachusetts · 3.8 M E of Willow ST · Structure no. Y010074BFDOTNBI

Built
1954
71 years old, rebuilt 1970
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
174 ft
2 main spans
Daily traffic
12,414
2023 count
Owner
State
State Highway Agency

About this bridge

HWY N Dennis RD over US 6 Mid Cape HWY is a steel stringer/multi-beam or girder carrying HWY N Dennis RD over US 6 Mid Cape HWY in Barnstable County, Massachusetts. It was built in 1954 and reconstructed in 1970, 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 12,414 vehicles a day, roughly 5% of them trucks, projected to reach 18,952 by 2032. The structure is 174 ft (52.9 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHWY N Dennis RD
CrossesUS 6 Mid Cape HWY
Location3.8 M E of Willow ST
RouteCity Street 0
CountyBarnstable County
StateMassachusetts
Coordinates41.69188, -70.18374
Functional classUrban Minor Arterial

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating16.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length174 ft (52.9 m)
Longest span95 ft (29 m)
Deck width39 ft (12 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,414 (2023)
Projected traffic18,952 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$6.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY N Dennis RD over US 6 Mid Cape HWY built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1970.

What condition is HWY N Dennis RD over US 6 Mid Cape HWY 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 August 2023.

How much traffic does HWY N Dennis RD over US 6 Mid Cape HWY carry?

About 12,414 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is HWY N Dennis RD over US 6 Mid Cape HWY?

The structure is 174 ft (52.9 m) long with a longest span of 95 ft (29 m) and a deck 39 ft wide.

Who owns HWY N Dennis RD over US 6 Mid Cape HWY?

It is owned by the State Highway Agency.