US Bridges

Ky 1851 over I-65

Fair

Jefferson County, Kentucky · 0.15 MI N of Ky 1450 · Structure no. 056B00340N

Built
1985
40 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
280 ft
4 main spans
Daily traffic
236
2018 count
Owner
State
State Highway Agency

About this bridge

Ky 1851 over I-65 is a prestressed concrete continuous stringer/multi-beam or girder carrying Ky 1851 over I-65 in Jefferson County, Kentucky. It was built in 1985, so it is 40 years old, younger 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.

It carries about 236 vehicles a day, projected to reach 236 by 2038. The structure is 280 ft (85.2 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesKy 1851
CrossesI-65
Location0.15 MI N of Ky 1450
RouteState Highway 1851
Coordinates38.09139, -85.70111
Functional classUrban 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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length280 ft (85.2 m)
Longest span100 ft (30.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236 (2018)
Projected traffic236 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ky 1851 over I-65 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Ky 1851 over I-65 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 October 2024.

How much traffic does Ky 1851 over I-65 carry?

About 236 vehicles per day (2018 count).

How long is Ky 1851 over I-65?

The structure is 280 ft (85.2 m) long with a longest span of 100 ft (30.5 m) and a deck 47 ft wide.

Who owns Ky 1851 over I-65?

It is owned by the State Highway Agency.