US Bridges

US-421 over Indian Creek

FairPosted for load

Jackson County, Kentucky · .20 MI W of E-Jct Ky 89 · Structure no. 055B00001N

Built
1927
98 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
54 ft
2 main spans
Daily traffic
4,470
2022 count
Owner
State
State Highway Agency

About this bridge

US-421 over Indian Creek is a concrete tee beam carrying US-421 over Indian Creek in Jackson County, Kentucky. It was built in 1927, so it is 98 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 4,470 vehicles a day, roughly 7% of them trucks, projected to reach 4,470 by 2042. The structure is 54 ft (16.5 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesUS-421
CrossesIndian Creek
Location.20 MI W of E-Jct Ky 89
RouteU.S. Route 421
CountyJackson County
StateKentucky
Coordinates37.43028, -84.00083
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length54 ft (16.5 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,470 (2022)
Projected traffic4,470 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$175,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US-421 over Indian Creek built?

It was built in 1927, making it 98 years old in 2025.

What condition is US-421 over Indian Creek 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 February 2024.

How much traffic does US-421 over Indian Creek carry?

About 4,470 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US-421 over Indian Creek?

The structure is 54 ft (16.5 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns US-421 over Indian Creek?

It is owned by the State Highway Agency.