US Bridges

RTE 950D over RTE I90

Fair

Chautauqua County, New York · 0.6 MI NW JCT Rts 20&950D · Structure no. 000000001050620

Built
1957
68 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
147 ft
3 main spans
Daily traffic
1,067
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE 950D over RTE I90 is a steel stringer/multi-beam or girder carrying RTE 950D over RTE I90 in Chautauqua County, New York. It was built in 1957, so it is 68 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 1,067 vehicles a day, roughly 29% of them trucks, projected to reach 1,077 by 2041. The structure is 147 ft (44.8 m) long and 33 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesRTE 950D
CrossesRTE I90
Location0.6 MI NW JCT Rts 20&950D
RouteState Highway 950D
CountyChautauqua County
StateNew York
Coordinates42.26213, -79.74521
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length147 ft (44.8 m)
Longest span59 ft (18 m)
Deck width33 ft (10.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,067 (2020)
Projected traffic1,077 by 2041
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

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$3.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 950D over RTE I90 built?

It was built in 1957, making it 68 years old in 2025.

What condition is RTE 950D over 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 August 2023.

How much traffic does RTE 950D over RTE I90 carry?

About 1,067 vehicles per day (2020 count), of which roughly 29% are trucks.

How long is RTE 950D over RTE I90?

The structure is 147 ft (44.8 m) long with a longest span of 59 ft (18 m) and a deck 33 ft wide.

Who owns RTE 950D over RTE I90?

It is owned by the State Toll Authority.