US Bridges

S Forest RD over 90IX RTE I90

Fair

Erie County, New York · I90 Exit 50 · Structure no. 000000005511950

Built
1989
36 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
265 ft
2 main spans
Daily traffic
6,367
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

S Forest RD over 90IX RTE I90 is a steel continuous stringer/multi-beam or girder carrying S Forest RD over 90IX RTE I90 in Erie County, New York. It was built in 1989, so it is 36 years old, younger 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 6,367 vehicles a day, roughly 2% of them trucks, projected to reach 7,877 by 2041. The structure is 265 ft (80.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS Forest RD
Crosses90IX RTE I90
LocationI90 Exit 50
Coordinates42.95135, -78.75929
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating60 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span135 ft (41.1 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,367 (2019)
Projected traffic7,877 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$6.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S Forest RD over 90IX RTE I90 built?

It was built in 1989, making it 36 years old in 2025.

What condition is S Forest RD over 90IX RTE I90 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 May 2024.

How much traffic does S Forest RD over 90IX RTE I90 carry?

About 6,367 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is S Forest RD over 90IX RTE I90?

The structure is 265 ft (80.8 m) long with a longest span of 135 ft (41.1 m) and a deck 40 ft wide.

Who owns S Forest RD over 90IX RTE I90?

It is owned by the State Toll Authority.