US Bridges

RTE 69 over Cobb Brook

Good

Oneida County, New York · 1.3 MI E JCT Rts 13 & 69 · Structure no. 000000001029360

Built
1993
32 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
4,349
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 69 over Cobb Brook is a steel stringer/multi-beam or girder carrying RTE 69 over Cobb Brook in Oneida County, New York. It was built in 1993, so it is 32 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 4,349 vehicles a day, roughly 8% of them trucks, projected to reach 4,375 by 2041. The structure is 61 ft (18.6 m) long and 44 ft wide. If it were closed, the detour would be 28.6 mi (46 km).

Location

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CarriesRTE 69
CrossesCobb Brook
Location1.3 MI E JCT Rts 13 & 69
RouteState Highway 69
CountyOneida County
StateNew York
Coordinates43.33038, -75.72529
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length61 ft (18.6 m)
Longest span59 ft (17.9 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,349 (2020)
Projected traffic4,375 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28.6 mi (46 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$815,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 69 over Cobb Brook built?

It was built in 1993, making it 32 years old in 2025.

What condition is RTE 69 over Cobb 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 October 2023.

How much traffic does RTE 69 over Cobb Brook carry?

About 4,349 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE 69 over Cobb Brook?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (17.9 m) and a deck 44 ft wide.

Who owns RTE 69 over Cobb Brook?

It is owned by the State Highway Agency.