US Bridges

RTE 30 over Squaw Brook

Fair

Hamilton County, New York · 20 MI N JCT SH 8 & SH 30 · Structure no. 000000001021230

Built
1931
94 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
919
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 30 over Squaw Brook is a concrete tee beam carrying RTE 30 over Squaw Brook in Hamilton County, New York. It was built in 1931, so it is 94 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 919 vehicles a day, roughly 12% of them trucks, projected to reach 991 by 2041. The structure is 33 ft (10.1 m) long and 29 ft wide. If it were closed, the detour would be 76.4 mi (123 km).

Location

Open in Google Maps
CarriesRTE 30
CrossesSquaw Brook
Location20 MI N JCT SH 8 & SH 30
RouteState Highway 30
CountyHamilton County
StateNew York
Coordinates43.74086, -74.29507
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic919 (2019)
Projected traffic991 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed76.4 mi (123 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$690,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 30 over Squaw Brook built?

It was built in 1931, making it 94 years old in 2025.

What condition is RTE 30 over Squaw Brook 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 Squaw Brook carry?

About 919 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is RTE 30 over Squaw Brook?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns RTE 30 over Squaw Brook?

It is owned by the State Highway Agency.