US Bridges

RTE 30 over Bog Stream

Fair

Hamilton County, New York · 96 MI NW JCT Rts 30+28N · Structure no. 000000001021260

Built
1938
87 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
1,095
2016 count
Owner
State
State Highway Agency

About this bridge

RTE 30 over Bog Stream is a concrete culvert carrying RTE 30 over Bog Stream in Hamilton County, New York. It was built in 1938, so it is 87 years old, older 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 5 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 1,095 vehicles a day, roughly 20% of them trucks, projected to reach 1,181 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesRTE 30
CrossesBog Stream
Location96 MI NW JCT Rts 30+28N
RouteState Highway 30
CountyHamilton County
StateNew York
Coordinates44.07247, -74.51926
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span20 ft (6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,095 (2016)
Projected traffic1,181 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$269,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 30 over Bog Stream built?

It was built in 1938, making it 87 years old in 2025.

What condition is RTE 30 over Bog Stream 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 RTE 30 over Bog Stream carry?

About 1,095 vehicles per day (2016 count), of which roughly 20% are trucks.

How long is RTE 30 over Bog Stream?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6 m).

Who owns RTE 30 over Bog Stream?

It is owned by the State Highway Agency.