US Bridges

Thornton Road over Trib Clear Creek

Good

Chautauqua County, New York · .9 Mile NW of Ellington · Structure no. 000000003324470

Built
1995
30 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
619
2018 count
Owner
County
County Highway Agency

About this bridge

Thornton Road over Trib Clear Creek is a prestressed concrete box beam or girders - multiple carrying Thornton Road over Trib Clear Creek in Chautauqua County, New York. It was built in 1995, so it is 30 years old, younger 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 619 vehicles a day, roughly 9% of them trucks, projected to reach 867 by 2038. The structure is 50 ft (15.2 m) long and 32 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesThornton Road
CrossesTrib Clear Creek
Location.9 Mile NW of Ellington
RouteCounty Highway 0
Coordinates42.22576, -79.11891
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic619 (2018)
Projected traffic867 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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$875,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thornton Road over Trib Clear Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Thornton Road over Trib Clear Creek 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 May 2023.

How much traffic does Thornton Road over Trib Clear Creek carry?

About 619 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Thornton Road over Trib Clear Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 32 ft wide.

Who owns Thornton Road over Trib Clear Creek?

It is owned by the County Highway Agency.