US Bridges

Iron Mountain RD over Lemon Branch

Fair

Metcalfe County, Kentucky · .3 MI W JCT Ky 677 · Structure no. 085C00017N

Built
1955
70 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
109
2012 count
Owner
County
County Highway Agency

About this bridge

Iron Mountain RD over Lemon Branch is a concrete culvert carrying Iron Mountain RD over Lemon Branch in Metcalfe County, Kentucky. It was built in 1955, so it is 70 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.

It carries about 109 vehicles a day, projected to reach 109 by 2032. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesIron Mountain RD
CrossesLemon Branch
Location.3 MI W JCT Ky 677
RouteCounty Highway 1332
CountyMetcalfe County
StateKentucky
Coordinates37.13833, -85.72917
Functional classRural Local

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 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 traffic109 (2012)
Projected traffic109 by 2032
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Iron Mountain RD over Lemon Branch built?

It was built in 1955, making it 70 years old in 2025.

What condition is Iron Mountain RD over Lemon Branch 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 2024.

How much traffic does Iron Mountain RD over Lemon Branch carry?

About 109 vehicles per day (2012 count).

How long is Iron Mountain RD over Lemon Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Iron Mountain RD over Lemon Branch?

It is owned by the County Highway Agency.