US Bridges

Parking Lot Ramp over Alley at Thayer Hall

FairPosted for load

Orange County, New York · NW Corner of Thayer Road · Structure no. DAPUSMWPT000015

Built
1950
75 years old, rebuilt 1997
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Steel
Length
41 ft
1 main span
Daily traffic
200
2021 count
Owner
Federal
Army

About this bridge

Parking Lot Ramp over Alley at Thayer Hall is a steel girder and floorbeam system carrying Parking Lot Ramp over Alley at Thayer Hall in Orange County, New York. It was built in 1950 and reconstructed in 1997, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, projected to reach 200 by 2044. The structure is 41 ft (12.6 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesParking Lot Ramp
CrossesAlley at Thayer Hall
LocationNW Corner of Thayer Road
Coordinates41.39134, -73.95459
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating23.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length41 ft (12.6 m)
Longest span33 ft (10.1 m)
Deck width29 ft (8.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic200 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$24,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Parking Lot Ramp over Alley at Thayer Hall built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1997.

What condition is Parking Lot Ramp over Alley at Thayer Hall 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 September 2023.

How much traffic does Parking Lot Ramp over Alley at Thayer Hall carry?

About 200 vehicles per day (2021 count).

How long is Parking Lot Ramp over Alley at Thayer Hall?

The structure is 41 ft (12.6 m) long with a longest span of 33 ft (10.1 m) and a deck 29 ft wide.

Who owns Parking Lot Ramp over Alley at Thayer Hall?

It is owned by the Army.