US Bridges

County Road 47 over Trib Stillwater

Fair

Chautauqua County, New York · 0.8 MI South of Jamestown · Structure no. 000000003323590

Built
1990
35 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
2,286
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 47 over Trib Stillwater is a prestressed concrete box beam or girders - multiple carrying County Road 47 over Trib Stillwater in Chautauqua County, New York. It was built in 1990, so it is 35 years old, younger 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 6 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 2,286 vehicles a day, roughly 3% of them trucks, projected to reach 2,828 by 2041. The structure is 33 ft (10.1 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCounty Road 47
CrossesTrib Stillwater
Location0.8 MI South of Jamestown
RouteCounty Highway 0
Coordinates42.06435, -79.23464
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span32 ft (9.7 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,286 (2021)
Projected traffic2,828 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 47 over Trib Stillwater built?

It was built in 1990, making it 35 years old in 2025.

What condition is County Road 47 over Trib Stillwater 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 April 2023.

How much traffic does County Road 47 over Trib Stillwater carry?

About 2,286 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is County Road 47 over Trib Stillwater?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.7 m) and a deck 36 ft wide.

Who owns County Road 47 over Trib Stillwater?

It is owned by the County Highway Agency.