US Bridges

KY-1420 over Massac Creek

Good

McCracken County, Kentucky · .5 Mi. West of Ky 786 · Structure no. 073B00134N

Built
1984
41 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
206 ft
3 main spans
Daily traffic
589
2022 count
Owner
State
State Highway Agency

About this bridge

KY-1420 over Massac Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying KY-1420 over Massac Creek in McCracken County, Kentucky. It was built in 1984, so it is 41 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 589 vehicles a day, projected to reach 589 by 2042. The structure is 206 ft (62.8 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesKY-1420
CrossesMassac Creek
Location.5 Mi. West of Ky 786
RouteState Highway 1420
CountyMcCracken County
StateKentucky
Coordinates37.11944, -88.72389
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 inspectionOctober 2021
Inspection intervalevery 48 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating102.4 US tons
Inventory rating61.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length206 ft (62.8 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic589 (2022)
Projected traffic589 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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-1420 over Massac Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is KY-1420 over Massac 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 October 2021.

How much traffic does KY-1420 over Massac Creek carry?

About 589 vehicles per day (2022 count).

How long is KY-1420 over Massac Creek?

The structure is 206 ft (62.8 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns KY-1420 over Massac Creek?

It is owned by the State Highway Agency.