US Bridges

Hill Street over Tin Brook

Fair

Orange County, New York · At Walden · Structure no. 000000002262080

Built
1928
97 years old, rebuilt 1996
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
40 ft
1 main span
Daily traffic
3
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Hill Street over Tin Brook is a concrete slab carrying Hill Street over Tin Brook in Orange County, New York. It was built in 1928 and reconstructed in 1996, so it is 97 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 3 vehicles a day, roughly 5% of them trucks, projected to reach 4 by 2039. The structure is 40 ft (12.2 m) long and 16 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHill Street
CrossesTin Brook
LocationAt Walden
Coordinates41.56016, -74.18321
Functional classUrban 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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating94 US tons
Inventory rating56 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length40 ft (12.2 m)
Longest span36 ft (10.9 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3 (2019)
Projected traffic4 by 2039
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$459,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hill Street over Tin Brook built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1996.

What condition is Hill Street over Tin 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 Hill Street over Tin Brook carry?

About 3 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Hill Street over Tin Brook?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (10.9 m) and a deck 16 ft wide.

Who owns Hill Street over Tin Brook?

It is owned by the Town or Township Highway Agency.