US Bridges

ST 28 E Falmth HWY over Water Coonamesset River

FairPosted for load

Barnstable County, Massachusetts · 3.5 M W of Mashpee Tl · Structure no. F0301647PDOTNBI

Built
1953
72 years old
Condition
Fair
inspected July 2024
Type
Slab
Wood or Timber
Length
63 ft
3 main spans
Daily traffic
36,595
2024 count
Owner
State
State Highway Agency

About this bridge

ST 28 E Falmth HWY over Water Coonamesset River is a wood or timber slab carrying ST 28 E Falmth HWY over Water Coonamesset 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. Its operating status is: posted for load restriction.

It carries about 36,595 vehicles a day, roughly 6% of them trucks, projected to reach 63,172 by 2031. The structure is 63 ft (19.2 m) long and 53 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesST 28 E Falmth HWY
CrossesWater Coonamesset River
Location3.5 M W of Mashpee Tl
RouteState Highway 28
Coordinates41.57819, -70.57351
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
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating37.1 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 20
Structure length63 ft (19.2 m)
Longest span20 ft (6.1 m)
Deck width53 ft (16.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,595 (2024)
Projected traffic63,172 by 2031
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$3.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 28 E Falmth HWY over Water Coonamesset River built?

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

What condition is ST 28 E Falmth HWY over Water Coonamesset 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 July 2024.

How much traffic does ST 28 E Falmth HWY over Water Coonamesset River carry?

About 36,595 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is ST 28 E Falmth HWY over Water Coonamesset River?

The structure is 63 ft (19.2 m) long with a longest span of 20 ft (6.1 m) and a deck 53 ft wide.

Who owns ST 28 E Falmth HWY over Water Coonamesset River?

It is owned by the State Highway Agency.