US Bridges

RTE 7 over Norfolk Southern RR

Poor

Otsego County, New York · At Unadilla · Structure no. 000000001003880

Built
1933
92 years old, rebuilt 2002
Condition
Poor
inspected October 2022
Type
Truss - Thru
Steel
Length
331 ft
2 main spans
Daily traffic
2,771
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 7 over Norfolk Southern RR is a steel truss - thru carrying RTE 7 over Norfolk Southern RR in Otsego County, New York. It was built in 1933 and reconstructed in 2002, so it is 92 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,771 vehicles a day, roughly 7% of them trucks, projected to reach 3,428 by 2041. The structure is 331 ft (100.9 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesRTE 7
CrossesNorfolk Southern RR
LocationAt Unadilla
RouteState Highway 7
CountyOtsego County
StateNew York
Coordinates42.32243, -75.32704
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating30 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckNot applicable
Main spans2 (+2 approach)
Design loadHS 20
Structure length331 ft (100.9 m)
Longest span90 ft (27.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,771 (2020)
Projected traffic3,428 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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$11 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 7 over Norfolk Southern RR built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 2002.

What condition is RTE 7 over Norfolk Southern RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2022.

How much traffic does RTE 7 over Norfolk Southern RR carry?

About 2,771 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is RTE 7 over Norfolk Southern RR?

The structure is 331 ft (100.9 m) long with a longest span of 90 ft (27.4 m) and a deck 32 ft wide.

Who owns RTE 7 over Norfolk Southern RR?

It is owned by the State Highway Agency.