US Bridges

Ky 1790 over Guist Creek

Fair

Shelby County, Kentucky · 1.05 MI E of Ky 53 · Structure no. 106B00075N

Built
1982
43 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
128 ft
3 main spans
Daily traffic
995
2019 count
Owner
State
State Highway Agency

About this bridge

Ky 1790 over Guist Creek is a prestressed concrete box beam or girders - multiple carrying Ky 1790 over Guist Creek in Shelby County, Kentucky. It was built in 1982, so it is 43 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 995 vehicles a day, projected to reach 995 by 2039. The structure is 128 ft (39 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesKy 1790
CrossesGuist Creek
Location1.05 MI E of Ky 53
RouteState Highway 1790
Coordinates38.17917, -85.19306
Functional classRural Minor Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating49.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span43 ft (13 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic995 (2019)
Projected traffic995 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ky 1790 over Guist Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Ky 1790 over Guist 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 September 2023.

How much traffic does Ky 1790 over Guist Creek carry?

About 995 vehicles per day (2019 count).

How long is Ky 1790 over Guist Creek?

The structure is 128 ft (39 m) long with a longest span of 43 ft (13 m) and a deck 32 ft wide.

Who owns Ky 1790 over Guist Creek?

It is owned by the State Highway Agency.