US Bridges

ST114 N Main ST over Water Emerson Brook

Fair

Essex County, Massachusetts · 1 MI N Middleton Town Hal · Structure no. M200102UKDOTNBI

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
30,200
2024 count
Owner
State
State Highway Agency

About this bridge

ST114 N Main ST over Water Emerson Brook is a prestressed concrete slab carrying ST114 N Main ST over Water Emerson Brook in Essex County, Massachusetts. It was built in 1962, so it is 63 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 30,200 vehicles a day, roughly 6% of them trucks, projected to reach 50,696 by 2032. The structure is 47 ft (14.4 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST114 N Main ST
CrossesWater Emerson Brook
Location1 MI N Middleton Town Hal
RouteState Highway 114
Coordinates42.60317, -71.02884
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length47 ft (14.4 m)
Longest span45 ft (13.8 m)
Deck width54 ft (16.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,200 (2024)
Projected traffic50,696 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST114 N Main ST over Water Emerson Brook built?

It was built in 1962, making it 63 years old in 2025.

What condition is ST114 N Main ST over Water Emerson Brook 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 August 2024.

How much traffic does ST114 N Main ST over Water Emerson Brook carry?

About 30,200 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is ST114 N Main ST over Water Emerson Brook?

The structure is 47 ft (14.4 m) long with a longest span of 45 ft (13.8 m) and a deck 54 ft wide.

Who owns ST114 N Main ST over Water Emerson Brook?

It is owned by the State Highway Agency.