US Bridges

RTE 20 over CSX Trans/Amtrak Norfol

Fair

Chautauqua County, New York · 3.9 MI NE JCT US20 & SH76 · Structure no. 000000001015350

Built
1965
60 years old, rebuilt 1992
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
503 ft
5 main spans
Daily traffic
2,485
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 20 over CSX Trans/Amtrak Norfol is a steel continuous stringer/multi-beam or girder carrying RTE 20 over CSX Trans/Amtrak Norfol in Chautauqua County, New York. It was built in 1965 and reconstructed in 1992, so it is 60 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 2,485 vehicles a day, roughly 10% of them trucks, projected to reach 2,508 by 2041. The structure is 503 ft (153.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRTE 20
CrossesCSX Trans/Amtrak Norfol
Location3.9 MI NE JCT US20 & SH76
RouteU.S. Route 20
CountyChautauqua County
StateNew York
Coordinates42.29567, -79.64622
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length503 ft (153.3 m)
Longest span105 ft (32 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 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
CrossesRailroad
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$10.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 20 over CSX Trans/Amtrak Norfol built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1992.

What condition is RTE 20 over CSX Trans/Amtrak Norfol 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 November 2024.

How much traffic does RTE 20 over CSX Trans/Amtrak Norfol carry?

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

How long is RTE 20 over CSX Trans/Amtrak Norfol?

The structure is 503 ft (153.3 m) long with a longest span of 105 ft (32 m) and a deck 33 ft wide.

Who owns RTE 20 over CSX Trans/Amtrak Norfol?

It is owned by the State Highway Agency.