US Bridges

County Route 4 over Dunderburg Creek

Fair

Otsego County, New York · 2 MI NW of Gilbertsville · Structure no. 000000003353750

Built
1989
36 years old
Condition
Fair
inspected April 2024
Type
Culvert
Steel
Length
35 ft
1 main span
Daily traffic
288
2019 count
Owner
County
County Highway Agency

About this bridge

County Route 4 over Dunderburg Creek is a steel culvert carrying County Route 4 over Dunderburg Creek in Otsego County, New York. It was built in 1989, so it is 36 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 288 vehicles a day, roughly 8% of them trucks, projected to reach 403 by 2039. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 16.8 mi (27 km).

CarriesCounty Route 4
CrossesDunderburg Creek
Location2 MI NW of Gilbertsville
RouteCounty Highway 0
Coordinates42.49644, -75.34272
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span34 ft (10.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic288 (2019)
Projected traffic403 by 2039
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$263,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 4 over Dunderburg Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is County Route 4 over Dunderburg Creek 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 April 2024.

How much traffic does County Route 4 over Dunderburg Creek carry?

About 288 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is County Route 4 over Dunderburg Creek?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.3 m).

Who owns County Route 4 over Dunderburg Creek?

It is owned by the County Highway Agency.