US Bridges

CR 101 over Black Brook

Good

Seneca County, New York · 4.6 MI N of Seneca Falls · Structure no. 000000003313990

Built
1950
75 years old
Condition
Good
inspected August 2024
Type
Channel Beam
Concrete
Length
38 ft
1 main span
Daily traffic
360
2019 count
Owner
County
County Highway Agency

About this bridge

CR 101 over Black Brook is a concrete channel beam carrying CR 101 over Black Brook in Seneca County, New York. It was built in 1950, so it is 75 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 360 vehicles a day, roughly 9% of them trucks, projected to reach 504 by 2039. The structure is 38 ft (11.6 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 101
CrossesBlack Brook
Location4.6 MI N of Seneca Falls
RouteCounty Highway 0
Coordinates42.99184, -76.80326
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating69.6 US tons
Inventory rating29.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span35 ft (10.6 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2019)
Projected traffic504 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$415,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 101 over Black Brook built?

It was built in 1950, making it 75 years old in 2025.

What condition is CR 101 over Black Brook 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 August 2024.

How much traffic does CR 101 over Black Brook carry?

About 360 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is CR 101 over Black Brook?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.6 m) and a deck 24 ft wide.

Who owns CR 101 over Black Brook?

It is owned by the County Highway Agency.