US Bridges

I-264 over 34th ST & Duncan ST

Fair

Jefferson County, Kentucky · 0.5 MI E of Bank ST · Structure no. 056B00465N

Built
2004
21 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
363 ft
5 main spans
Daily traffic
38,712
2012 count
Owner
State
State Highway Agency

About this bridge

I-264 over 34th ST & Duncan ST is a prestressed concrete continuous stringer/multi-beam or girder carrying I-264 over 34th ST & Duncan ST in Jefferson County, Kentucky. It was built in 2004, so it is 21 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 38,712 vehicles a day, roughly 10% of them trucks, projected to reach 42,583 by 2032. The structure is 363 ft (110.5 m) long and 111 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-264
Crosses34th ST & Duncan ST
Location0.5 MI E of Bank ST
RouteInterstate 264
Coordinates38.265, -85.80611
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
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 rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length363 ft (110.5 m)
Longest span140 ft (42.7 m)
Deck width111 ft (33.8 m)
Roadway width105 ft (32.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,712 (2012)
Projected traffic42,583 by 2032
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-264 over 34th ST & Duncan ST built?

It was built in 2004, making it 21 years old in 2025.

What condition is I-264 over 34th ST & Duncan ST 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 January 2023.

How much traffic does I-264 over 34th ST & Duncan ST carry?

About 38,712 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is I-264 over 34th ST & Duncan ST?

The structure is 363 ft (110.5 m) long with a longest span of 140 ft (42.7 m) and a deck 111 ft wide.

Who owns I-264 over 34th ST & Duncan ST?

It is owned by the State Highway Agency.