US Bridges

KY-550 over Oppossum Trot Creek

Good

Knott County, Kentucky · .10 MI E of JCT Ky 1098 · Structure no. 060B00002N

Built
1932
93 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
1,529
2018 count
Owner
State
State Highway Agency

About this bridge

KY-550 over Oppossum Trot Creek is a concrete culvert carrying KY-550 over Oppossum Trot Creek in Knott County, Kentucky. It was built in 1932, so it is 93 years old, older than the Kentucky average of 46.6 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 1,529 vehicles a day, roughly 8% of them trucks, projected to reach 1,529 by 2038. The structure is 23 ft (7 m) long. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesKY-550
CrossesOppossum Trot Creek
Location.10 MI E of JCT Ky 1098
RouteState Highway 550
CountyKnott County
StateKentucky
Coordinates37.34806, -82.95611
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,529 (2018)
Projected traffic1,529 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-550 over Oppossum Trot Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is KY-550 over Oppossum Trot Creek 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 June 2021.

How much traffic does KY-550 over Oppossum Trot Creek carry?

About 1,529 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is KY-550 over Oppossum Trot Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns KY-550 over Oppossum Trot Creek?

It is owned by the State Highway Agency.