US Bridges

Smith Grove RD over Trib-S.Fk. Red River

FairPosted for load

Logan County, Kentucky · 1 MI W -Jct US 431 · Structure no. 071C00074N

Built
1991
34 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
57
2022 count
Owner
County
County Highway Agency

About this bridge

Smith Grove RD over Trib-S.Fk. Red River is a prestressed concrete box beam or girders - multiple carrying Smith Grove RD over Trib-S.Fk. Red River in Logan County, Kentucky. It was built in 1991, so it is 34 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 6 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 57 vehicles a day, projected to reach 57 by 2042. The structure is 29 ft (8.7 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSmith Grove RD
CrossesTrib-S.Fk. Red River
Location1 MI W -Jct US 431
RouteCounty Highway 1255
CountyLogan County
StateKentucky
Coordinates36.65028, -86.86
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length29 ft (8.7 m)
Longest span27 ft (8.1 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57 (2022)
Projected traffic57 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Smith Grove RD over Trib-S.Fk. Red River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Smith Grove RD over Trib-S.Fk. Red River 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 June 2023.

How much traffic does Smith Grove RD over Trib-S.Fk. Red River carry?

About 57 vehicles per day (2022 count).

How long is Smith Grove RD over Trib-S.Fk. Red River?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.1 m) and a deck 24 ft wide.

Who owns Smith Grove RD over Trib-S.Fk. Red River?

It is owned by the County Highway Agency.