US Bridges

Pontiac Road over Big Sister Creek

Fair

Erie County, New York · 2.4 Miles NW of N Collins · Structure no. 000000003327820

Built
2020
5 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
373
2021 count
Owner
County
County Highway Agency

About this bridge

Pontiac Road over Big Sister Creek is a steel stringer/multi-beam or girder carrying Pontiac Road over Big Sister Creek in Erie County, New York. It was built in 2020, so it is 5 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 373 vehicles a day, roughly 5% of them trucks, projected to reach 522 by 2041. The structure is 75 ft (23 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPontiac Road
CrossesBig Sister Creek
Location2.4 Miles NW of N Collins
RouteCounty Highway 0
Coordinates42.62414, -78.96773
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101 US tons
Inventory rating60 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length75 ft (23 m)
Longest span69 ft (21 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic373 (2021)
Projected traffic522 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$2.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pontiac Road over Big Sister Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Pontiac Road over Big Sister Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Pontiac Road over Big Sister Creek carry?

About 373 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Pontiac Road over Big Sister Creek?

The structure is 75 ft (23 m) long with a longest span of 69 ft (21 m) and a deck 31 ft wide.

Who owns Pontiac Road over Big Sister Creek?

It is owned by the County Highway Agency.