US Bridges

KY-780 over Canadian National Rail

Good

Hickman County, Kentucky · .4 Mi. S. JCT US 51 · Structure no. 053B00100N

Built
1999
26 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
212 ft
3 main spans
Daily traffic
140
2023 count
Owner
State
State Highway Agency

About this bridge

KY-780 over Canadian National Rail is a prestressed concrete continuous stringer/multi-beam or girder carrying KY-780 over Canadian National Rail in Hickman County, Kentucky. It was built in 1999, so it is 26 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 140 vehicles a day, projected to reach 140 by 2043. The structure is 212 ft (64.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesKY-780
CrossesCanadian National Rail
Location.4 Mi. S. JCT US 51
RouteState Highway 780
CountyHickman County
StateKentucky
Coordinates36.64944, -88.99806
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.5 US tons
Inventory rating42.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length212 ft (64.6 m)
Longest span95 ft (29 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2023)
Projected traffic140 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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-780 over Canadian National Rail built?

It was built in 1999, making it 26 years old in 2025.

What condition is KY-780 over Canadian National Rail 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 January 2024.

How much traffic does KY-780 over Canadian National Rail carry?

About 140 vehicles per day (2023 count).

How long is KY-780 over Canadian National Rail?

The structure is 212 ft (64.6 m) long with a longest span of 95 ft (29 m) and a deck 31 ft wide.

Who owns KY-780 over Canadian National Rail?

It is owned by the State Highway Agency.