US Bridges

KY-3210 over Rock Creek

Good

Grayson County, Kentucky · 1.3 MI S of JCT Ky 3210 · Structure no. 043B00093N

Built
1970
55 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
1 main span
Daily traffic
353
2023 count
Owner
State
State Highway Agency

About this bridge

KY-3210 over Rock Creek is a steel stringer/multi-beam or girder carrying KY-3210 over Rock Creek in Grayson County, Kentucky. It was built in 1970, so it is 55 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 353 vehicles a day, projected to reach 353 by 2043. The structure is 98 ft (29.9 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKY-3210
CrossesRock Creek
Location1.3 MI S of JCT Ky 3210
RouteState Highway 3210
CountyGrayson County
StateKentucky
Coordinates37.43472, -86.16444
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating52.7 US tons
Inventory rating31.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length98 ft (29.9 m)
Longest span94 ft (28.7 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic353 (2023)
Projected traffic353 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-3210 over Rock Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is KY-3210 over Rock Creek 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 October 2023.

How much traffic does KY-3210 over Rock Creek carry?

About 353 vehicles per day (2023 count).

How long is KY-3210 over Rock Creek?

The structure is 98 ft (29.9 m) long with a longest span of 94 ft (28.7 m) and a deck 25 ft wide.

Who owns KY-3210 over Rock Creek?

It is owned by the State Highway Agency.