US Bridges

RTE I87 over Mill Street

Fair

Orange County, New York · 1.7 MI N JCT Rt. I-87&300 · Structure no. 000000005514419

Built
1953
72 years old, rebuilt 2013
Condition
Fair
inspected August 2024
Type
Frame
Concrete
Length
35 ft
1 main span
Daily traffic
35,222
2018 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I87 over Mill Street is a concrete frame carrying RTE I87 over Mill Street in Orange County, New York. It was built in 1953 and reconstructed in 2013, so it is 72 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 35,222 vehicles a day, roughly 18% of them trucks, projected to reach 59,644 by 2041. The structure is 35 ft (10.7 m) long and 115 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesRTE I87
CrossesMill Street
Location1.7 MI N JCT Rt. I-87&300
RouteInterstate 87
Coordinates41.58715, -74.08896
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.4 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length35 ft (10.7 m)
Longest span31 ft (9.4 m)
Deck width115 ft (35.1 m)
Roadway width111 ft (33.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,222 (2018)
Projected traffic59,644 by 2041
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed19.9 mi (32 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$5.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I87 over Mill Street built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2013.

What condition is RTE I87 over Mill Street 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 August 2024.

How much traffic does RTE I87 over Mill Street carry?

About 35,222 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is RTE I87 over Mill Street?

The structure is 35 ft (10.7 m) long with a longest span of 31 ft (9.4 m) and a deck 115 ft wide.

Who owns RTE I87 over Mill Street?

It is owned by the State Toll Authority.