US Bridges

KY-1792 over Porters Drainage Ditch

FairPosted for load

McLean County, Kentucky · .80 MI East of JCT Ky 140 · Structure no. 075B00003N

Built
1959
66 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
100 ft
3 main spans
Daily traffic
73
2021 count
Owner
State
State Highway Agency

About this bridge

KY-1792 over Porters Drainage Ditch is a concrete tee beam carrying KY-1792 over Porters Drainage Ditch in McLean County, Kentucky. It was built in 1959, so it is 66 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 73 vehicles a day, projected to reach 73 by 2041. The structure is 100 ft (30.5 m) long and 27 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

Open in Google Maps
CarriesKY-1792
CrossesPorters Drainage Ditch
Location.80 MI East of JCT Ky 140
RouteState Highway 1792
CountyMcLean County
StateKentucky
Coordinates37.57306, -87.30611
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.2 US tons
Inventory rating35.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length100 ft (30.5 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2021)
Projected traffic73 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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-1792 over Porters Drainage Ditch built?

It was built in 1959, making it 66 years old in 2025.

What condition is KY-1792 over Porters Drainage Ditch 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 August 2024.

How much traffic does KY-1792 over Porters Drainage Ditch carry?

About 73 vehicles per day (2021 count).

How long is KY-1792 over Porters Drainage Ditch?

The structure is 100 ft (30.5 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns KY-1792 over Porters Drainage Ditch?

It is owned by the State Highway Agency.