US Bridges

ST 28 Main ST over Water Swan Pond River

Good

Barnstable County, Massachusetts · .1 MI E of RTE 134 · Structure no. D07006BBRDOTNBI

Built
2014
11 years old
Condition
Good
inspected April 2024
Type
Slab
Prestressed Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
9,071
2024 count
Owner
State
State Highway Agency

About this bridge

ST 28 Main ST over Water Swan Pond River is a prestressed concrete continuous slab carrying ST 28 Main ST over Water Swan Pond River in Barnstable County, Massachusetts. It was built in 2014, so it is 11 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,071 vehicles a day, roughly 6% of them trucks. The structure is 94 ft (28.5 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST 28 Main ST
CrossesWater Swan Pond River
Location.1 MI E of RTE 134
RouteState Highway 28
Coordinates41.66723, -70.14647
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length94 ft (28.5 m)
Longest span29 ft (8.9 m)
Deck width55 ft (16.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,071 (2024)
Projected traffic—
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$788,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 28 Main ST over Water Swan Pond River built?

It was built in 2014, making it 11 years old in 2025.

What condition is ST 28 Main ST over Water Swan Pond River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does ST 28 Main ST over Water Swan Pond River carry?

About 9,071 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is ST 28 Main ST over Water Swan Pond River?

The structure is 94 ft (28.5 m) long with a longest span of 29 ft (8.9 m) and a deck 55 ft wide.

Who owns ST 28 Main ST over Water Swan Pond River?

It is owned by the State Highway Agency.