US Bridges

LN-9008 & CR-1320 over Richards Branch

Fair

Adair County, Kentucky · 2.8 MI East of Ky 80 Op · Structure no. 001B00057N

Built
1971
54 years old
Condition
Fair
inspected July 2021
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
6,013
2023 count
Owner
State
State Highway Agency

About this bridge

LN-9008 & CR-1320 over Richards Branch is a concrete culvert carrying LN-9008 & CR-1320 over Richards Branch in Adair County, Kentucky. It was built in 1971, so it is 54 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 6,013 vehicles a day, roughly 29% of them trucks, projected to reach 6,013 by 2043. The structure is 25 ft (7.7 m) long and 290 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLN-9008 & CR-1320
CrossesRichards Branch
Location2.8 MI East of Ky 80 Op
RouteState Highway 9008
CountyAdair County
StateKentucky
Coordinates37.05722, -85.42833
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating106.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.7 m)
Longest span12 ft (3.7 m)
Deck width290 ft (88.4 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,013 (2023)
Projected traffic6,013 by 2043
Trucks29%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 LN-9008 & CR-1320 over Richards Branch built?

It was built in 1971, making it 54 years old in 2025.

What condition is LN-9008 & CR-1320 over Richards 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 July 2021.

How much traffic does LN-9008 & CR-1320 over Richards Branch carry?

About 6,013 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is LN-9008 & CR-1320 over Richards Branch?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.7 m) and a deck 290 ft wide.

Who owns LN-9008 & CR-1320 over Richards Branch?

It is owned by the State Highway Agency.