US Bridges

#117 over Stoney Brook

Fair

Oxford County, Maine · 3 MI NE #119 · Structure no. 3478

Built
1939
86 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
2,167
2016 count
Owner
State
State Highway Agency

About this bridge

#117 over Stoney Brook is a concrete tee beam carrying #117 over Stoney Brook in Oxford County, Maine. It was built in 1939, so it is 86 years old, older than the Maine average of 53.7 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 2,167 vehicles a day, roughly 5% of them trucks, projected to reach 3,034 by 2036. The structure is 29 ft (8.8 m) long and 29 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Carries#117
CrossesStoney Brook
Location3 MI NE #119
RouteState Highway 117
StateMaine
Coordinates44.24634, -70.45666
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length29 ft (8.8 m)
Longest span25 ft (7.6 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,167 (2016)
Projected traffic3,034 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was #117 over Stoney Brook built?

It was built in 1939, making it 86 years old in 2025.

What condition is #117 over Stoney 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 July 2023.

How much traffic does #117 over Stoney Brook carry?

About 2,167 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is #117 over Stoney Brook?

The structure is 29 ft (8.8 m) long with a longest span of 25 ft (7.6 m) and a deck 29 ft wide.

Who owns #117 over Stoney Brook?

It is owned by the State Highway Agency.