US Bridges

KY-3520 over Massac Creek Overflow

FairPosted for load

McCracken County, Kentucky · .43 MI East of JCT Ky 996 · Structure no. 073B00036N

Built
1929
96 years old, rebuilt 1954
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
787
2022 count
Owner
State
State Highway Agency

About this bridge

KY-3520 over Massac Creek Overflow is a concrete culvert carrying KY-3520 over Massac Creek Overflow in McCracken County, Kentucky. It was built in 1929 and reconstructed in 1954, so it is 96 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 787 vehicles a day, projected to reach 787 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesKY-3520
CrossesMassac Creek Overflow
Location.43 MI East of JCT Ky 996
RouteState Highway 3520
CountyMcCracken County
StateKentucky
Coordinates37.06222, -88.79444
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.7 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic787 (2022)
Projected traffic787 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-3520 over Massac Creek Overflow built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1954.

What condition is KY-3520 over Massac Creek Overflow in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does KY-3520 over Massac Creek Overflow carry?

About 787 vehicles per day (2022 count).

How long is KY-3520 over Massac Creek Overflow?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns KY-3520 over Massac Creek Overflow?

It is owned by the State Highway Agency.