US Bridges

KY-70 over Green River Overflow

Fair

Muhlenberg County, Kentucky · .80 MI East of Butler Cl · Structure no. 089B00103N

Built
1980
45 years old
Condition
Fair
inspected September 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
137 ft
2 main spans
Daily traffic
1,161
2023 count
Owner
State
State Highway Agency

About this bridge

KY-70 over Green River Overflow is a prestressed concrete box beam or girders - multiple carrying KY-70 over Green River Overflow in Muhlenberg County, Kentucky. It was built in 1980, so it is 45 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 1,161 vehicles a day, roughly 7% of them trucks, projected to reach 1,161 by 2043. The structure is 137 ft (41.8 m) long and 31 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

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CarriesKY-70
CrossesGreen River Overflow
Location.80 MI East of Butler Cl
RouteState Highway 70
CountyMuhlenberg County
StateKentucky
Coordinates37.21278, -86.91278
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating92.8 US tons
Inventory rating55.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span65 ft (19.8 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,161 (2023)
Projected traffic1,161 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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-70 over Green River Overflow built?

It was built in 1980, making it 45 years old in 2025.

What condition is KY-70 over Green River Overflow 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 2021.

How much traffic does KY-70 over Green River Overflow carry?

About 1,161 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is KY-70 over Green River Overflow?

The structure is 137 ft (41.8 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.

Who owns KY-70 over Green River Overflow?

It is owned by the State Highway Agency.