US Bridges

Route 35 & 117 over Crystal Lake Outlet

Fair

Cumberland County, Maine · Between Jcts RTE 35 &117 · Structure no. 3609

Built
1932
93 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
4,727
2016 count
Owner
State
State Highway Agency

About this bridge

Route 35 & 117 over Crystal Lake Outlet is a concrete slab carrying Route 35 & 117 over Crystal Lake Outlet in Cumberland County, Maine. It was built in 1932, so it is 93 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 4,727 vehicles a day, roughly 5% of them trucks, projected to reach 6,618 by 2036. The structure is 26 ft (8 m) long and 56 ft wide. If it were closed, the detour would be 51 mi (82 km).

CarriesRoute 35 & 117
CrossesCrystal Lake Outlet
LocationBetween Jcts RTE 35 &117
RouteState Highway 35
StateMaine
Coordinates44.11091, -70.68103
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
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating68.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length26 ft (8 m)
Longest span22 ft (6.7 m)
Deck width56 ft (17.1 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,727 (2016)
Projected traffic6,618 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed51 mi (82 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 Route 35 & 117 over Crystal Lake Outlet built?

It was built in 1932, making it 93 years old in 2025.

What condition is Route 35 & 117 over Crystal Lake Outlet 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 March 2024.

How much traffic does Route 35 & 117 over Crystal Lake Outlet carry?

About 4,727 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Route 35 & 117 over Crystal Lake Outlet?

The structure is 26 ft (8 m) long with a longest span of 22 ft (6.7 m) and a deck 56 ft wide.

Who owns Route 35 & 117 over Crystal Lake Outlet?

It is owned by the State Highway Agency.