US Bridges

Coolidge Road over Black Creek

Good

Jefferson County, New York · 2 Miles S of Philadelphia · Structure no. 000000003339420

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Frame
Concrete
Length
44 ft
1 main span
Daily traffic
449
2020 count
Owner
County
County Highway Agency

About this bridge

Coolidge Road over Black Creek is a concrete frame carrying Coolidge Road over Black Creek in Jefferson County, New York. It was built in 1991, so it is 34 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 449 vehicles a day, roughly 17% of them trucks, projected to reach 629 by 2040. The structure is 44 ft (13.4 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCoolidge Road
CrossesBlack Creek
Location2 Miles S of Philadelphia
RouteCounty Highway 0
Coordinates44.11862, -75.7013
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating41 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic449 (2020)
Projected traffic629 by 2040
Trucks17%
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 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Coolidge Road over Black Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Coolidge Road over Black 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 September 2023.

How much traffic does Coolidge Road over Black Creek carry?

About 449 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Coolidge Road over Black Creek?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 32 ft wide.

Who owns Coolidge Road over Black Creek?

It is owned by the County Highway Agency.