US Bridges

CR 39 over Big Brook

Fair

Chenango County, New York · 2.3 MI S of Bainbridge · Structure no. 000000003350190

Built
1990
35 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
710
2021 count
Owner
County
County Highway Agency

About this bridge

CR 39 over Big Brook is a steel stringer/multi-beam or girder carrying CR 39 over Big Brook in Chenango County, New York. It was built in 1990, so it is 35 years old, younger 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 6 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 710 vehicles a day, roughly 14% of them trucks, projected to reach 994 by 2041. The structure is 62 ft (18.9 m) long and 27 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCR 39
CrossesBig Brook
Location2.3 MI S of Bainbridge
RouteCounty Highway 0
Coordinates42.26118, -75.47311
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
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 alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span59 ft (17.9 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2021)
Projected traffic994 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$907,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 39 over Big Brook built?

It was built in 1990, making it 35 years old in 2025.

What condition is CR 39 over Big 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 May 2024.

How much traffic does CR 39 over Big Brook carry?

About 710 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is CR 39 over Big Brook?

The structure is 62 ft (18.9 m) long with a longest span of 59 ft (17.9 m) and a deck 27 ft wide.

Who owns CR 39 over Big Brook?

It is owned by the County Highway Agency.