US Bridges

ST RTE 160 over Ossipee River

Fair

York County, Maine · Townline · Structure no. 3817

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
239 ft
3 main spans
Daily traffic
570
2016 count
Owner
State
State Highway Agency

About this bridge

ST RTE 160 over Ossipee River is a steel continuous stringer/multi-beam or girder carrying ST RTE 160 over Ossipee River in York County, Maine. It was built in 1960, so it is 65 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 570 vehicles a day, roughly 5% of them trucks, projected to reach 912 by 2036. The structure is 239 ft (72.8 m) long and 31 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesST RTE 160
CrossesOssipee River
LocationTownline
RouteCounty Highway 160
CountyYork County
StateMaine
Coordinates43.79122, -70.93883
Functional classRural Minor 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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length239 ft (72.8 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2016)
Projected traffic912 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was ST RTE 160 over Ossipee River built?

It was built in 1960, making it 65 years old in 2025.

What condition is ST RTE 160 over Ossipee River 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 September 2023.

How much traffic does ST RTE 160 over Ossipee River carry?

About 570 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is ST RTE 160 over Ossipee River?

The structure is 239 ft (72.8 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns ST RTE 160 over Ossipee River?

It is owned by the State Highway Agency.