US Bridges

US 6 Mid Cape HWY over HWY Highland RD

Fair

Barnstable County, Massachusetts · 5.7 M N of Wellfleet Tl · Structure no. T08004473DOTNBI

Built
1953
72 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
16,717
2022 count
Owner
State
State Highway Agency

About this bridge

US 6 Mid Cape HWY over HWY Highland RD is a concrete continuous tee beam carrying US 6 Mid Cape HWY over HWY Highland RD in Barnstable County, Massachusetts. It was built in 1953, 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.

It carries about 16,717 vehicles a day, roughly 5% of them trucks, projected to reach 18,162 by 2032. The structure is 123 ft (37.5 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 6 Mid Cape HWY
CrossesHWY Highland RD
Location5.7 M N of Wellfleet Tl
RouteU.S. Route 6
Coordinates42.03548, -70.08153
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating25.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length123 ft (37.5 m)
Longest span55 ft (16.8 m)
Deck width75 ft (22.9 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,717 (2022)
Projected traffic18,162 by 2032
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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$8.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 6 Mid Cape HWY over HWY Highland RD built?

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

What condition is US 6 Mid Cape HWY over HWY Highland 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 June 2023.

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

About 16,717 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is US 6 Mid Cape HWY over HWY Highland RD?

The structure is 123 ft (37.5 m) long with a longest span of 55 ft (16.8 m) and a deck 75 ft wide.

Who owns US 6 Mid Cape HWY over HWY Highland RD?

It is owned by the State Highway Agency.