US Bridges

Griswold Road over Black Creek

Good

Genesee County, New York · 1.1 MI S of South Byron · Structure no. 000000003315910

Built
2013
12 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
327
2018 count
Owner
County
County Highway Agency

About this bridge

Griswold Road over Black Creek is a prestressed concrete box beam or girders - multiple carrying Griswold Road over Black Creek in Genesee County, New York. It was built in 2013, so it is 12 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 327 vehicles a day, roughly 7% of them trucks, projected to reach 458 by 2038. The structure is 63 ft (19.2 m) long and 31 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesGriswold Road
CrossesBlack Creek
Location1.1 MI S of South Byron
RouteCity Street 0
Coordinates43.03422, -78.07567
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic327 (2018)
Projected traffic458 by 2038
Trucks7%
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$813,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Griswold Road over Black Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Griswold 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 July 2023.

How much traffic does Griswold Road over Black Creek carry?

About 327 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Griswold Road over Black Creek?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns Griswold Road over Black Creek?

It is owned by the County Highway Agency.