US Bridges

RTE 400 over Norfolk Southern

Fair

Erie County, New York · 4.1 MI E JCT SH400 & US20 · Structure no. 000000001047701

Built
1968
57 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
191 ft
3 main spans
Daily traffic
18,855
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 400 over Norfolk Southern is a steel stringer/multi-beam or girder carrying RTE 400 over Norfolk Southern in Erie County, New York. It was built in 1968, so it is 57 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 5 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 18,855 vehicles a day, roughly 7% of them trucks, projected to reach 21,849 by 2041. The structure is 191 ft (58.2 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE 400
CrossesNorfolk Southern
Location4.1 MI E JCT SH400 & US20
RouteState Highway 400
CountyErie County
StateNew York
Coordinates42.84508, -78.77457
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length191 ft (58.2 m)
Longest span80 ft (24.3 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,855 (2019)
Projected traffic21,849 by 2041
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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$3.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 400 over Norfolk Southern built?

It was built in 1968, making it 57 years old in 2025.

What condition is RTE 400 over Norfolk Southern 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 2023.

How much traffic does RTE 400 over Norfolk Southern carry?

About 18,855 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is RTE 400 over Norfolk Southern?

The structure is 191 ft (58.2 m) long with a longest span of 80 ft (24.3 m) and a deck 33 ft wide.

Who owns RTE 400 over Norfolk Southern?

It is owned by the State Highway Agency.