US Bridges

KY-1804 over Clear Fork Rvr

Good

Whitley County, Kentucky · .05 MI East of I-75 UP · Structure no. 118B00102N

Built
1988
37 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
350 ft
4 main spans
Daily traffic
839
2022 count
Owner
State
State Highway Agency

About this bridge

KY-1804 over Clear Fork Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying KY-1804 over Clear Fork Rvr in Whitley County, Kentucky. It was built in 1988, so it is 37 years old, younger 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 839 vehicles a day, roughly 9% of them trucks, projected to reach 839 by 2042. The structure is 350 ft (106.7 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesKY-1804
CrossesClear Fork Rvr
Location.05 MI East of I-75 UP
RouteState Highway 1804
Coordinates36.60556, -84.10333
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.6 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length350 ft (106.7 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic839 (2022)
Projected traffic839 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1804 over Clear Fork Rvr built?

It was built in 1988, making it 37 years old in 2025.

What condition is KY-1804 over Clear Fork Rvr 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 February 2023.

How much traffic does KY-1804 over Clear Fork Rvr carry?

About 839 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is KY-1804 over Clear Fork Rvr?

The structure is 350 ft (106.7 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns KY-1804 over Clear Fork Rvr?

It is owned by the State Highway Agency.