US Bridges

HWY Maple ST over RR Mbta/Csx

Fair

Norfolk County, Massachusetts · .1 Mi.N of ST.140 · Structure no. B060082AXDOT634

Built
1985
40 years old
Condition
Fair
inspected January 2025
Type
Slab
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
5,261
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Maple ST over RR Mbta/Csx is a prestressed concrete slab carrying HWY Maple ST over RR Mbta/Csx in Norfolk County, Massachusetts. It was built in 1985, so it is 40 years old, younger 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 5,261 vehicles a day, roughly 7% of them trucks, projected to reach 5,212 by 2032. The structure is 48 ft (14.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Maple ST
CrossesRR Mbta/Csx
Location.1 Mi.N of ST.140
RouteCity Street 0
Coordinates42.08687, -71.45172
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.
Last inspectionJanuary 2025
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length48 ft (14.6 m)
Longest span44 ft (13.4 m)
Deck width43 ft (13 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,261 (2023)
Projected traffic5,212 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$1.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Maple ST over RR Mbta/Csx built?

It was built in 1985, making it 40 years old in 2025.

What condition is HWY Maple ST over RR Mbta/Csx 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 January 2025.

How much traffic does HWY Maple ST over RR Mbta/Csx carry?

About 5,261 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is HWY Maple ST over RR Mbta/Csx?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 43 ft wide.

Who owns HWY Maple ST over RR Mbta/Csx?

It is owned by the State Highway Agency.