US Bridges

I-71 NB over Trib to S Fk Harrods Crk

Fair

Oldham County, Kentucky · 1.2 MI N of Jefferson Cl · Structure no. 093B00035R

Built
1968
57 years old, rebuilt 2020
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
36,238
2020 count
Owner
State
State Highway Agency

About this bridge

I-71 NB over Trib to S Fk Harrods Crk is a concrete culvert carrying I-71 NB over Trib to S Fk Harrods Crk in Oldham County, Kentucky. It was built in 1968 and reconstructed in 2020, so it is 57 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 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 36,238 vehicles a day, roughly 19% of them trucks, projected to reach 39,862 by 2040. The structure is 20 ft (6.1 m) long and 302 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-71 NB
CrossesTrib to S Fk Harrods Crk
Location1.2 MI N of Jefferson Cl
RouteInterstate 71
CountyOldham County
StateKentucky
Coordinates38.33583, -85.52472
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
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 rating110 US tons
Inventory rating110 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width302 ft (92 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,238 (2020)
Projected traffic39,862 by 2040
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 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 I-71 NB over Trib to S Fk Harrods Crk built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2020.

What condition is I-71 NB over Trib to S Fk Harrods Crk 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 March 2023.

How much traffic does I-71 NB over Trib to S Fk Harrods Crk carry?

About 36,238 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is I-71 NB over Trib to S Fk Harrods Crk?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 302 ft wide.

Who owns I-71 NB over Trib to S Fk Harrods Crk?

It is owned by the State Highway Agency.