US Bridges

KY-73 over Unnamed Stream

GoodPosted for load

Simpson County, Kentucky · .16 MI N. JCT W105 31W · Structure no. 107B00037N

Built
1994
31 years old
Condition
Good
inspected July 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
29 ft
2 main spans
Daily traffic
2,806
2023 count
Owner
State
State Highway Agency

About this bridge

KY-73 over Unnamed Stream is a aluminum, wrought iron, or cast iron culvert carrying KY-73 over Unnamed Stream in Simpson County, Kentucky. It was built in 1994, so it is 31 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 2,806 vehicles a day, roughly 9% of them trucks, projected to reach 2,806 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKY-73
CrossesUnnamed Stream
Location.16 MI N. JCT W105 31W
RouteState Highway 73
Coordinates36.73944, -86.58556
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating33.8 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,806 (2023)
Projected traffic2,806 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-73 over Unnamed Stream built?

It was built in 1994, making it 31 years old in 2025.

What condition is KY-73 over Unnamed Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does KY-73 over Unnamed Stream carry?

About 2,806 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is KY-73 over Unnamed Stream?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns KY-73 over Unnamed Stream?

It is owned by the State Highway Agency.