US Bridges

HWY Lower County over Water Swan Pond River

FairPosted for load

Barnstable County, Massachusetts · .1 MI E of Swan Pond RD · Structure no. D0700241MMUNNBI

Built
1955
70 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
82 ft
4 main spans
Daily traffic
12,100
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Lower County over Water Swan Pond River is a concrete continuous slab carrying HWY Lower County over Water Swan Pond River in Barnstable County, Massachusetts. It was built in 1955, 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 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: posted for load restriction.

It carries about 12,100 vehicles a day, roughly 10% of them trucks, projected to reach 31,270 by 2032. The structure is 82 ft (25 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY Lower County
CrossesWater Swan Pond River
Location.1 MI E of Swan Pond RD
RouteCity Street 0
Coordinates41.65554, -70.1546
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating18.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length82 ft (25 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,100 (2023)
Projected traffic31,270 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$3.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Lower County over Water Swan Pond River built?

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

What condition is HWY Lower County over Water Swan Pond River 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 HWY Lower County over Water Swan Pond River carry?

About 12,100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is HWY Lower County over Water Swan Pond River?

The structure is 82 ft (25 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns HWY Lower County over Water Swan Pond River?

It is owned by the Town or Township Highway Agency.