US Bridges

RTE 20 over Lumber Street/ Parking L

Fair

Chautauqua County, New York · 0.2 MI SW JCT Rts 20 & 17 · Structure no. 000000001015370

Built
1988
37 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,034 ft
7 main spans
Daily traffic
2,485
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 20 over Lumber Street/ Parking L is a steel continuous stringer/multi-beam or girder carrying RTE 20 over Lumber Street/ Parking L in Chautauqua County, New York. It was built in 1988, so it is 37 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 2,485 vehicles a day, roughly 10% of them trucks, projected to reach 2,508 by 2041. The structure is 1,034 ft (315.2 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRTE 20
CrossesLumber Street/ Parking L
Location0.2 MI SW JCT Rts 20 & 17
RouteU.S. Route 20
CountyChautauqua County
StateNew York
Coordinates42.32057, -79.58009
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length1,034 ft (315.2 m)
Longest span196 ft (59.7 m)
Deck width48 ft (14.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,485 (2021)
Projected traffic2,508 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$29.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 20 over Lumber Street/ Parking L built?

It was built in 1988, making it 37 years old in 2025.

What condition is RTE 20 over Lumber Street/ Parking L 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 20 over Lumber Street/ Parking L carry?

About 2,485 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is RTE 20 over Lumber Street/ Parking L?

The structure is 1,034 ft (315.2 m) long with a longest span of 196 ft (59.7 m) and a deck 48 ft wide.

Who owns RTE 20 over Lumber Street/ Parking L?

It is owned by the State Highway Agency.