US Bridges

Union Grove RD over Dallam Creek

Fair

Logan County, Kentucky · 4 MI W Ky 79 · Structure no. 071C00075N

Built
1992
33 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
47
2022 count
Owner
County
County Highway Agency

About this bridge

Union Grove RD over Dallam Creek is a prestressed concrete box beam or girders - multiple carrying Union Grove RD over Dallam Creek in Logan County, Kentucky. It was built in 1992, so it is 33 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.

It carries about 47 vehicles a day, projected to reach 47 by 2042. The structure is 32 ft (9.8 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUnion Grove RD
CrossesDallam Creek
Location4 MI W Ky 79
RouteCounty Highway 1079
Coordinates37.00306, -86.84306
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length32 ft (9.8 m)
Longest span31 ft (9.3 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2022)
Projected traffic47 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Union Grove RD over Dallam Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Union Grove RD over Dallam 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 June 2023.

How much traffic does Union Grove RD over Dallam Creek carry?

About 47 vehicles per day (2022 count).

How long is Union Grove RD over Dallam Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.3 m) and a deck 16 ft wide.

Who owns Union Grove RD over Dallam Creek?

It is owned by the County Highway Agency.