US Bridges

US-42 over Big Sugar Creek

Fair

Gallatin County, Kentucky · .01 Mi.East of JCT US 127 · Structure no. 039B00036N

Built
1984
41 years old
Condition
Fair
inspected July 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
256 ft
3 main spans
Daily traffic
3,055
2021 count
Owner
State
State Highway Agency

About this bridge

US-42 over Big Sugar Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US-42 over Big Sugar Creek in Gallatin County, Kentucky. It was built in 1984, so it is 41 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 3,055 vehicles a day, roughly 9% of them trucks, projected to reach 3,055 by 2041. The structure is 256 ft (77.9 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS-42
CrossesBig Sugar Creek
Location.01 Mi.East of JCT US 127
RouteU.S. Route 42
Coordinates38.78278, -84.81056
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.2 US tons
Inventory rating45.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length256 ft (77.9 m)
Longest span100 ft (30.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,055 (2021)
Projected traffic3,055 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 US-42 over Big Sugar Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is US-42 over Big Sugar 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 July 2021.

How much traffic does US-42 over Big Sugar Creek carry?

About 3,055 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is US-42 over Big Sugar Creek?

The structure is 256 ft (77.9 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.

Who owns US-42 over Big Sugar Creek?

It is owned by the State Highway Agency.