US Bridges

Lyon Brook Road over Tributary Lyon Brook

Fair

Chenango County, New York · 4.0 MI NE of Oxford · Structure no. 000000003350620

Built
1937
88 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
545
2021 count
Owner
County
County Highway Agency

About this bridge

Lyon Brook Road over Tributary Lyon Brook is a steel stringer/multi-beam or girder carrying Lyon Brook Road over Tributary Lyon Brook in Chenango County, New York. It was built in 1937, so it is 88 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 545 vehicles a day, roughly 3% of them trucks, projected to reach 763 by 2041. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesLyon Brook Road
CrossesTributary Lyon Brook
Location4.0 MI NE of Oxford
Coordinates42.46213, -75.52247
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating58 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span33 ft (10 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic545 (2021)
Projected traffic763 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$639,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lyon Brook Road over Tributary Lyon Brook built?

It was built in 1937, making it 88 years old in 2025.

What condition is Lyon Brook Road over Tributary Lyon Brook 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 June 2024.

How much traffic does Lyon Brook Road over Tributary Lyon Brook carry?

About 545 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Lyon Brook Road over Tributary Lyon Brook?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10 m) and a deck 28 ft wide.

Who owns Lyon Brook Road over Tributary Lyon Brook?

It is owned by the County Highway Agency.