US Bridges

RTE 18 over Marsh Creek West

Fair

Orleans County, New York · 3.0MI E JCT Rts 18 + 269 · Structure no. 000000001014700

Built
1929
96 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
999
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 18 over Marsh Creek West is a concrete slab carrying RTE 18 over Marsh Creek West in Orleans County, New York. It was built in 1929, so it is 96 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 999 vehicles a day, roughly 11% of them trucks, projected to reach 1,005 by 2041. The structure is 27 ft (8.2 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
CrossesMarsh Creek West
Location3.0MI E JCT Rts 18 + 269
RouteState Highway 18
CountyOrleans County
StateNew York
Coordinates43.34748, -78.40588
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating70 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic999 (2020)
Projected traffic1,005 by 2041
Trucks11%
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$421,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 18 over Marsh Creek West built?

It was built in 1929, making it 96 years old in 2025.

What condition is RTE 18 over Marsh Creek West 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 RTE 18 over Marsh Creek West carry?

About 999 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is RTE 18 over Marsh Creek West?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns RTE 18 over Marsh Creek West?

It is owned by the State Highway Agency.