US Bridges

RTE 18 over Proctor Brook

Fair

Orleans County, New York · 2.7MI E JCT Rts 18 + 98 · Structure no. 000000001014740

Built
1931
94 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
1,244
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 18 over Proctor Brook is a steel stringer/multi-beam or girder carrying RTE 18 over Proctor Brook in Orleans County, New York. It was built in 1931, so it is 94 years old, older than the New York average of 53 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 1,244 vehicles a day, roughly 14% of them trucks, projected to reach 1,297 by 2041. The structure is 36 ft (11 m) long and 29 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesRTE 18
CrossesProctor Brook
Location2.7MI E JCT Rts 18 + 98
RouteState Highway 18
CountyOrleans County
StateNew York
Coordinates43.34027, -78.13795
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span33 ft (10 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,244 (2021)
Projected traffic1,297 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$825,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 18 over Proctor Brook built?

It was built in 1931, making it 94 years old in 2025.

What condition is RTE 18 over Proctor 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 May 2023.

How much traffic does RTE 18 over Proctor Brook carry?

About 1,244 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is RTE 18 over Proctor Brook?

The structure is 36 ft (11 m) long with a longest span of 33 ft (10 m) and a deck 29 ft wide.

Who owns RTE 18 over Proctor Brook?

It is owned by the State Highway Agency.