US Bridges

County Road 50 over Olmstead Brook

FairPosted for load

Lewis County, New York · 2.1 MI SE Constableville · Structure no. 000000003339630

Built
1940
85 years old, rebuilt 2009
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
682
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 50 over Olmstead Brook is a steel stringer/multi-beam or girder carrying County Road 50 over Olmstead Brook in Lewis County, New York. It was built in 1940 and reconstructed in 2009, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 682 vehicles a day, roughly 10% of them trucks, projected to reach 955 by 2040. The structure is 45 ft (13.7 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty Road 50
CrossesOlmstead Brook
Location2.1 MI SE Constableville
RouteCounty Highway 0
CountyLewis County
StateNew York
Coordinates43.54641, -75.40139
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic682 (2020)
Projected traffic955 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$477,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 50 over Olmstead Brook built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2009.

What condition is County Road 50 over Olmstead 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 July 2024.

How much traffic does County Road 50 over Olmstead Brook carry?

About 682 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County Road 50 over Olmstead Brook?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 25 ft wide.

Who owns County Road 50 over Olmstead Brook?

It is owned by the County Highway Agency.