US Bridges

KY-101 over North Prong

Fair

Allen County, Kentucky · 2.3 MI N of JCT Ky 1332 · Structure no. 002B00002N

Built
1937
88 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
2,061
2021 count
Owner
State
State Highway Agency

About this bridge

KY-101 over North Prong is a concrete culvert carrying KY-101 over North Prong in Allen County, Kentucky. It was built in 1937, so it is 88 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 2,061 vehicles a day, roughly 16% of them trucks, projected to reach 2,061 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesKY-101
CrossesNorth Prong
Location2.3 MI N of JCT Ky 1332
RouteState Highway 101
CountyAllen County
StateKentucky
Coordinates36.80528, -86.17722
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,061 (2021)
Projected traffic2,061 by 2041
Trucks16%
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 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 KY-101 over North Prong built?

It was built in 1937, making it 88 years old in 2025.

What condition is KY-101 over North Prong 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 April 2024.

How much traffic does KY-101 over North Prong carry?

About 2,061 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is KY-101 over North Prong?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns KY-101 over North Prong?

It is owned by the State Highway Agency.