US Bridges

Big Flats Road over Norfolk Southern

Good

Chemung County, New York · 0.8 MI SW of Int. With CO · Structure no. 000000003331460

Built
1994
31 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
330 ft
2 main spans
Daily traffic
7,368
2020 count
Owner
Railroad
Railroad

About this bridge

Big Flats Road over Norfolk Southern is a steel continuous stringer/multi-beam or girder carrying Big Flats Road over Norfolk Southern in Chemung County, New York. It was built in 1994, so it is 31 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 7,368 vehicles a day, roughly 3% of them trucks, projected to reach 8,950 by 2041. The structure is 330 ft (100.6 m) long and 39 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesBig Flats Road
CrossesNorfolk Southern
Location0.8 MI SW of Int. With CO
RouteCounty Highway 0
Coordinates42.1497, -76.88977
Functional classUrban Minor 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 2024
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 alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length330 ft (100.6 m)
Longest span189 ft (57.6 m)
Deck width39 ft (11.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,368 (2020)
Projected traffic8,950 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$6.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Big Flats Road over Norfolk Southern built?

It was built in 1994, making it 31 years old in 2025.

What condition is Big Flats Road over Norfolk Southern 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 2024.

How much traffic does Big Flats Road over Norfolk Southern carry?

About 7,368 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Big Flats Road over Norfolk Southern?

The structure is 330 ft (100.6 m) long with a longest span of 189 ft (57.6 m) and a deck 39 ft wide.

Who owns Big Flats Road over Norfolk Southern?

It is owned by the Railroad and maintained by the County Highway Agency.