US Bridges

KY-9 over Grannison Branch

Good

Lewis County, Kentucky · 2.5 MI N.E. of JCT Ky 989 · Structure no. 068B00036N

Built
1971
54 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
5,163
2023 count
Owner
State
State Highway Agency

About this bridge

KY-9 over Grannison Branch is a concrete culvert carrying KY-9 over Grannison Branch in Lewis 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 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.

It carries about 5,163 vehicles a day, roughly 14% of them trucks, projected to reach 5,163 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 32.9 mi (53 km).

Location

Open in Google Maps
CarriesKY-9
CrossesGrannison Branch
Location2.5 MI N.E. of JCT Ky 989
RouteState Highway 9
CountyLewis County
StateKentucky
Coordinates38.58611, -83.39583
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,163 (2023)
Projected traffic5,163 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 KY-9 over Grannison Branch built?

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

What condition is KY-9 over Grannison Branch 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 January 2022.

How much traffic does KY-9 over Grannison Branch carry?

About 5,163 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is KY-9 over Grannison Branch?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns KY-9 over Grannison Branch?

It is owned by the State Highway Agency.