US Bridges

RTE 277 over Norfolk Southern Railroa

Good

Erie County, New York · 0.1 MI N JCT Rts 400 &277 · Structure no. 000000001044230

Built
1997
28 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
192 ft
3 main spans
Daily traffic
24,055
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 277 over Norfolk Southern Railroa is a steel continuous stringer/multi-beam or girder carrying RTE 277 over Norfolk Southern Railroa in Erie County, New York. It was built in 1997, so it is 28 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24,055 vehicles a day, roughly 4% of them trucks, projected to reach 24,168 by 2041. The structure is 192 ft (58.5 m) long and 64 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRTE 277
CrossesNorfolk Southern Railroa
Location0.1 MI N JCT Rts 400 &277
RouteState Highway 277
Coordinates42.84438, -78.75431
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating48 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length192 ft (58.5 m)
Longest span80 ft (24.3 m)
Deck width64 ft (19.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,055 (2021)
Projected traffic24,168 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed5 mi (8 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$8.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 277 over Norfolk Southern Railroa built?

It was built in 1997, making it 28 years old in 2025.

What condition is RTE 277 over Norfolk Southern Railroa in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does RTE 277 over Norfolk Southern Railroa carry?

About 24,055 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is RTE 277 over Norfolk Southern Railroa?

The structure is 192 ft (58.5 m) long with a longest span of 80 ft (24.3 m) and a deck 64 ft wide.

Who owns RTE 277 over Norfolk Southern Railroa?

It is owned by the State Highway Agency.