US Bridges

RTE 66 over Green Brook

Poor

Columbia County, New York · 1.4 MI N JCT RTE66+I90 · Structure no. 000000001029070

Built
1913
112 years old
Condition
Poor
inspected September 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
358
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 66 over Green Brook is a concrete slab carrying RTE 66 over Green Brook in Columbia County, New York. It was built in 1913, so it is 112 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 4 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.

It carries about 358 vehicles a day, roughly 4% of them trucks, projected to reach 373 by 2041. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesRTE 66
CrossesGreen Brook
Location1.4 MI N JCT RTE66+I90
RouteState Highway 66
CountyColumbia County
StateNew York
Coordinates42.48043, -73.56661
Functional classRural Major Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span21 ft (6.4 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic358 (2021)
Projected traffic373 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$492,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 66 over Green Brook built?

It was built in 1913, making it 112 years old in 2025.

What condition is RTE 66 over Green Brook 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 September 2024.

How much traffic does RTE 66 over Green Brook carry?

About 358 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is RTE 66 over Green Brook?

The structure is 26 ft (7.9 m) long with a longest span of 21 ft (6.4 m) and a deck 28 ft wide.

Who owns RTE 66 over Green Brook?

It is owned by the State Highway Agency.