US Bridges

ST 28 Main ST over Water Herring River

Fair

Barnstable County, Massachusetts · 1.0 M W of RTE 39 · Structure no. H1000247QDOTNBI

Built
1953
72 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
181 ft
8 main spans
Daily traffic
20,600
2023 count
Owner
State
State Highway Agency

About this bridge

ST 28 Main ST over Water Herring River is a concrete continuous slab carrying ST 28 Main ST over Water Herring River 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 20,600 vehicles a day, roughly 6% of them trucks, projected to reach 39,798 by 2032. The structure is 181 ft (55.2 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST 28 Main ST
CrossesWater Herring River
Location1.0 M W of RTE 39
RouteState Highway 28
Coordinates41.66885, -70.10938
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.7 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length181 ft (55.2 m)
Longest span23 ft (7 m)
Deck width53 ft (16.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,600 (2023)
Projected traffic39,798 by 2032
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$8.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 28 Main ST over Water Herring River built?

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

What condition is ST 28 Main ST over Water Herring 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 ST 28 Main ST over Water Herring River carry?

About 20,600 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is ST 28 Main ST over Water Herring River?

The structure is 181 ft (55.2 m) long with a longest span of 23 ft (7 m) and a deck 53 ft wide.

Who owns ST 28 Main ST over Water Herring River?

It is owned by the State Highway Agency.