US Bridges

I-71 over Chamberlain LN

Fair

Jefferson County, Kentucky · 0.7 MI N of I-265 · Structure no. 056B00548N

Built
2023
2 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
72,476
2020 count
Owner
State
State Highway Agency

About this bridge

I-71 over Chamberlain LN is a prestressed concrete stringer/multi-beam or girder carrying I-71 over Chamberlain LN in Jefferson County, Kentucky. It was built in 2023, so it is 2 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 6 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 72,476 vehicles a day, roughly 19% of them trucks, projected to reach 79,723 by 2040. The structure is 107 ft (32.6 m) long and 126 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesI-71
CrossesChamberlain LN
Location0.7 MI N of I-265
RouteInterstate 71
CountyJefferson County
StateKentucky
Coordinates38.31858, -85.56977
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length107 ft (32.6 m)
Longest span101 ft (30.8 m)
Deck width126 ft (38.5 m)
Roadway width121 ft (37 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,476 (2020)
Projected traffic79,723 by 2040
Trucks19%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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-71 over Chamberlain LN built?

It was built in 2023, making it 2 years old in 2025.

What condition is I-71 over Chamberlain LN 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-71 over Chamberlain LN carry?

About 72,476 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is I-71 over Chamberlain LN?

The structure is 107 ft (32.6 m) long with a longest span of 101 ft (30.8 m) and a deck 126 ft wide.

Who owns I-71 over Chamberlain LN?

It is owned by the State Highway Agency.