US Bridges

State Line Road over Blackmore Creek

FairPosted for load

Graves County, Kentucky · .95 MI West of Ky 303 · Structure no. 042C00274N

Built
1990
35 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
60 ft
3 main spans
Daily traffic
158
2009 count
Owner
County
County Highway Agency

About this bridge

State Line Road over Blackmore Creek is a wood or timber stringer/multi-beam or girder carrying State Line Road over Blackmore Creek in Graves County, Kentucky. It was built in 1990, so it is 35 years old, younger 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 158 vehicles a day, projected to reach 158 by 2029. The structure is 60 ft (18.3 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Line Road
CrossesBlackmore Creek
Location.95 MI West of Ky 303
RouteCounty Highway 1290
Coordinates36.5025, -88.67944
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.9 US tons
Inventory rating35.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2009)
Projected traffic158 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Line Road over Blackmore Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is State Line Road over Blackmore 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 October 2024.

How much traffic does State Line Road over Blackmore Creek carry?

About 158 vehicles per day (2009 count).

How long is State Line Road over Blackmore Creek?

The structure is 60 ft (18.3 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns State Line Road over Blackmore Creek?

It is owned by the County Highway Agency.