US Bridges

RTE 49 over Big Bay Creek

PoorClosed to traffic

Oswego County, New York · 1.8 MI E JCT SH 49 & I81 · Structure no. 000000001026190

Built
1941
84 years old
Condition
Poor
inspected April 2024
Type
Slab
Wood or Timber
Length
53 ft
3 main spans
Daily traffic
10,186
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 49 over Big Bay Creek is a wood or timber slab carrying RTE 49 over Big Bay Creek in Oswego County, New York. It was built in 1941, so it is 84 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 3 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. Its operating status is: closed to all traffic.

It carries about 10,186 vehicles a day, roughly 7% of them trucks, projected to reach 10,249 by 2041. The structure is 53 ft (16.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 49
CrossesBig Bay Creek
Location1.8 MI E JCT SH 49 & I81
RouteState Highway 49
Coordinates43.28562, -76.09106
Functional classRural Minor 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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span18 ft (5.4 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,186 (2020)
Projected traffic10,249 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$2.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 49 over Big Bay Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is RTE 49 over Big Bay 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 April 2024.

How much traffic does RTE 49 over Big Bay Creek carry?

About 10,186 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is RTE 49 over Big Bay Creek?

The structure is 53 ft (16.2 m) long with a longest span of 18 ft (5.4 m) and a deck 34 ft wide.

Who owns RTE 49 over Big Bay Creek?

It is owned by the State Highway Agency.