US Bridges

ST 24 NB (line B) over I 195 WB

Fair

Bristol County, Massachusetts · At Wattuppa Pond · Structure no. F020713MJDOTNBI

Built
1961
64 years old, rebuilt 1991
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
1 main span
Daily traffic
16,426
2022 count
Owner
State
State Highway Agency

About this bridge

ST 24 NB (line B) over I 195 WB is a steel stringer/multi-beam or girder carrying ST 24 NB (line B) over I 195 WB in Bristol County, Massachusetts. It was built in 1961 and reconstructed in 1991, so it is 64 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 16,426 vehicles a day, roughly 5% of them trucks, projected to reach 39,482 by 2031. The structure is 142 ft (43.3 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesST 24 NB (line B)
CrossesI 195 WB
LocationAt Wattuppa Pond
RouteState Highway 24
CountyBristol County
StateMassachusetts
Coordinates41.68123, -71.1232
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating66.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span139 ft (42.4 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,426 (2022)
Projected traffic39,482 by 2031
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 24 NB (line B) over I 195 WB built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1991.

What condition is ST 24 NB (line B) over I 195 WB 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 2023.

How much traffic does ST 24 NB (line B) over I 195 WB carry?

About 16,426 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is ST 24 NB (line B) over I 195 WB?

The structure is 142 ft (43.3 m) long with a longest span of 139 ft (42.4 m) and a deck 29 ft wide.

Who owns ST 24 NB (line B) over I 195 WB?

It is owned by the State Highway Agency.