US Bridges

RTE 18 over Salmon Creek

Good

Monroe County, New York · 0.1 MI S JCT Rts 18 & 259 · Structure no. 000000001014790

Built
1930
95 years old, rebuilt 1995
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
5,948
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 18 over Salmon Creek is a prestressed concrete box beam or girders - multiple carrying RTE 18 over Salmon Creek in Monroe County, New York. It was built in 1930 and reconstructed in 1995, so it is 95 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,948 vehicles a day, roughly 4% of them trucks, projected to reach 7,225 by 2041. The structure is 87 ft (26.5 m) long and 47 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesRTE 18
CrossesSalmon Creek
Location0.1 MI S JCT Rts 18 & 259
RouteState Highway 18
Coordinates43.28638, -77.79151
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97 US tons
Inventory rating58 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length87 ft (26.5 m)
Longest span85 ft (25.9 m)
Deck width47 ft (14.3 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,948 (2020)
Projected traffic7,225 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed7.5 mi (12 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 18 over Salmon Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1995.

What condition is RTE 18 over Salmon Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does RTE 18 over Salmon Creek carry?

About 5,948 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is RTE 18 over Salmon Creek?

The structure is 87 ft (26.5 m) long with a longest span of 85 ft (25.9 m) and a deck 47 ft wide.

Who owns RTE 18 over Salmon Creek?

It is owned by the State Highway Agency.