US Bridges

KY-280 over Unname Stream

Good

Calloway County, Kentucky · 1.5 MI East of JCT Ky 94 · Structure no. 018B00016N

Built
1954
71 years old
Condition
Good
inspected March 2021
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,323
2023 count
Owner
State
State Highway Agency

About this bridge

KY-280 over Unname Stream is a concrete culvert carrying KY-280 over Unname Stream in Calloway County, Kentucky. It was built in 1954, so it is 71 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 1,323 vehicles a day, projected to reach 1,323 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesKY-280
CrossesUnname Stream
Location1.5 MI East of JCT Ky 94
RouteState Highway 280
CountyCalloway County
StateKentucky
Coordinates36.62444, -88.235
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 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 traffic1,323 (2023)
Projected traffic1,323 by 2043
Trucks0%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-280 over Unname Stream built?

It was built in 1954, making it 71 years old in 2025.

What condition is KY-280 over Unname Stream 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 March 2021.

How much traffic does KY-280 over Unname Stream carry?

About 1,323 vehicles per day (2023 count).

How long is KY-280 over Unname Stream?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m).

Who owns KY-280 over Unname Stream?

It is owned by the State Highway Agency.