US Bridges

County Route 72 over TR WB Conewngo Ck

Good

Chautauqua County, New York · 2 Miles SW of Hamlet · Structure no. 000000003325860

Built
1931
94 years old, rebuilt 2010
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
518
2021 count
Owner
County
County Highway Agency

About this bridge

County Route 72 over TR WB Conewngo Ck is a prestressed concrete box beam or girders - multiple carrying County Route 72 over TR WB Conewngo Ck in Chautauqua County, New York. It was built in 1931 and reconstructed in 2010, 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 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 518 vehicles a day, roughly 10% of them trucks, projected to reach 725 by 2041. The structure is 49 ft (14.9 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCounty Route 72
CrossesTR WB Conewngo Ck
Location2 Miles SW of Hamlet
RouteCounty Highway 0
Coordinates42.36207, -79.17233
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating60 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length49 ft (14.9 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic518 (2021)
Projected traffic725 by 2041
Trucks10%
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$925,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 72 over TR WB Conewngo Ck built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2010.

What condition is County Route 72 over TR WB Conewngo Ck 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 October 2024.

How much traffic does County Route 72 over TR WB Conewngo Ck carry?

About 518 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is County Route 72 over TR WB Conewngo Ck?

The structure is 49 ft (14.9 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns County Route 72 over TR WB Conewngo Ck?

It is owned by the County Highway Agency.