US Bridges

RTE 5 over Big Sister Creek

Poor

Erie County, New York · 5.2 MI NE JCT Rts 5 + 249 · Structure no. 000000001001360

Built
1928
97 years old, rebuilt 1975
Condition
Poor
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
95 ft
1 main span
Daily traffic
9,835
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 5 over Big Sister Creek is a steel girder and floorbeam system carrying RTE 5 over Big Sister Creek in Erie County, New York. It was built in 1928 and reconstructed in 1975, so it is 97 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9,835 vehicles a day, roughly 4% of them trucks, projected to reach 9,881 by 2041. The structure is 95 ft (29 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 5
CrossesBig Sister Creek
Location5.2 MI NE JCT Rts 5 + 249
RouteState Highway 5
Coordinates42.65703, -79.03571
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length95 ft (29 m)
Longest span90 ft (27.4 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,835 (2019)
Projected traffic9,881 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 5 over Big Sister Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1975.

What condition is RTE 5 over Big Sister Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does RTE 5 over Big Sister Creek carry?

About 9,835 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is RTE 5 over Big Sister Creek?

The structure is 95 ft (29 m) long with a longest span of 90 ft (27.4 m) and a deck 44 ft wide.

Who owns RTE 5 over Big Sister Creek?

It is owned by the State Highway Agency.