US Bridges

RTE 28 over Loon Brook

Fair

Hamilton County, New York · 3.7 MI W JCT Rts 28 & 28N · Structure no. 000000001020290

Built
1929
96 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
1,166
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 28 over Loon Brook is a concrete tee beam carrying RTE 28 over Loon Brook in Hamilton County, New York. It was built in 1929, so it is 96 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 6 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 1,166 vehicles a day, roughly 10% of them trucks, projected to reach 1,173 by 2041. The structure is 34 ft (10.4 m) long and 33 ft wide. If it were closed, the detour would be 75.8 mi (122 km).

Location

Open in Google Maps
CarriesRTE 28
CrossesLoon Brook
Location3.7 MI W JCT Rts 28 & 28N
RouteState Highway 28
CountyHamilton County
StateNew York
Coordinates43.83153, -74.49915
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,166 (2021)
Projected traffic1,173 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed75.8 mi (122 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$745,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 28 over Loon Brook built?

It was built in 1929, making it 96 years old in 2025.

What condition is RTE 28 over Loon 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 28 over Loon Brook carry?

About 1,166 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is RTE 28 over Loon Brook?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns RTE 28 over Loon Brook?

It is owned by the State Highway Agency.