US Bridges

ST117 Great RD over Water Elizabeth Brook

FairPosted for load

Middlesex County, Massachusetts · 100 Ft. East of Hudson RD · Structure no. S2900528NDOTNBI

Built
1952
73 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
12,373
2023 count
Owner
State
State Highway Agency

About this bridge

ST117 Great RD over Water Elizabeth Brook is a concrete tee beam carrying ST117 Great RD over Water Elizabeth Brook in Middlesex County, Massachusetts. It was built in 1952, so it is 73 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 12,373 vehicles a day, roughly 2% of them trucks, projected to reach 26,848 by 2031. The structure is 34 ft (10.4 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST117 Great RD
CrossesWater Elizabeth Brook
Location100 Ft. East of Hudson RD
RouteState Highway 117
CountyMiddlesex County
StateMassachusetts
Coordinates42.43454, -71.52863
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.5 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span29 ft (8.8 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,373 (2023)
Projected traffic26,848 by 2031
Trucks2%
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$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST117 Great RD over Water Elizabeth Brook built?

It was built in 1952, making it 73 years old in 2025.

What condition is ST117 Great RD over Water Elizabeth 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 December 2024.

How much traffic does ST117 Great RD over Water Elizabeth Brook carry?

About 12,373 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is ST117 Great RD over Water Elizabeth Brook?

The structure is 34 ft (10.4 m) long with a longest span of 29 ft (8.8 m) and a deck 39 ft wide.

Who owns ST117 Great RD over Water Elizabeth Brook?

It is owned by the State Highway Agency.