US Bridges

Rochester ST over Salmon Falls River

Fair

York County, Maine · 1.3 MI NW of JCT RTE 9 · Structure no. 6048

Built
1969
56 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
118 ft
1 main span
Daily traffic
4,280
2016 count
Owner
State
State Highway Agency

About this bridge

Rochester ST over Salmon Falls River is a steel stringer/multi-beam or girder carrying Rochester ST over Salmon Falls River in York County, Maine. It was built in 1969, so it is 56 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 4,280 vehicles a day, roughly 5% of them trucks, projected to reach 5,992 by 2036. The structure is 118 ft (36 m) long and 33 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesRochester ST
CrossesSalmon Falls River
Location1.3 MI NW of JCT RTE 9
RouteCounty Highway 0
StateMaine
Coordinates43.27846, -70.88263
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length118 ft (36 m)
Longest span113 ft (34.4 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,280 (2016)
Projected traffic5,992 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 Rochester ST over Salmon Falls River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Rochester ST over Salmon Falls 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 December 2023.

How much traffic does Rochester ST over Salmon Falls River carry?

About 4,280 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Rochester ST over Salmon Falls River?

The structure is 118 ft (36 m) long with a longest span of 113 ft (34.4 m) and a deck 33 ft wide.

Who owns Rochester ST over Salmon Falls River?

It is owned by the State Highway Agency.