US Bridges

ST134 over US 6 Wb/Mid Cape HWY

Fair

Barnstable County, Massachusetts · 0.5 M E of Yarmouth Tl · Structure no. D0700949UDOTNBI

Built
1955
70 years old, rebuilt 2009
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
124 ft
3 main spans
Daily traffic
18,929
2024 count
Owner
State
State Highway Agency

About this bridge

ST134 over US 6 Wb/Mid Cape HWY is a steel continuous stringer/multi-beam or girder carrying ST134 over US 6 Wb/Mid Cape HWY in Barnstable County, Massachusetts. It was built in 1955 and reconstructed in 2009, so it is 70 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 18,929 vehicles a day, roughly 9% of them trucks, projected to reach 59,698 by 2031. The structure is 124 ft (37.8 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesST134
CrossesUS 6 Wb/Mid Cape HWY
Location0.5 M E of Yarmouth Tl
RouteState Highway 134
CountyBarnstable County
StateMassachusetts
Coordinates41.69806, -70.15383
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.1 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length124 ft (37.8 m)
Longest span66 ft (20.1 m)
Deck width55 ft (16.8 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,929 (2024)
Projected traffic59,698 by 2031
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST134 over US 6 Wb/Mid Cape HWY built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2009.

What condition is ST134 over US 6 Wb/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 November 2024.

How much traffic does ST134 over US 6 Wb/Mid Cape HWY carry?

About 18,929 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is ST134 over US 6 Wb/Mid Cape HWY?

The structure is 124 ft (37.8 m) long with a longest span of 66 ft (20.1 m) and a deck 55 ft wide.

Who owns ST134 over US 6 Wb/Mid Cape HWY?

It is owned by the State Highway Agency.