US Bridges

KY-764 over Unname Stream

FairPosted for load

Daviess County, Kentucky · 3.2 MI Nor. of JCT Ky 54 · Structure no. 030B00107N

Built
1952
73 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
351
2022 count
Owner
State
State Highway Agency

About this bridge

KY-764 over Unname Stream is a concrete culvert carrying KY-764 over Unname Stream in Daviess County, Kentucky. It was built in 1952, so it is 73 years old, older 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 5 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 351 vehicles a day, projected to reach 351 by 2042. The structure is 26 ft (7.9 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesKY-764
CrossesUnname Stream
Location3.2 MI Nor. of JCT Ky 54
RouteState Highway 764
CountyDaviess County
StateKentucky
Coordinates37.72861, -86.87222
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2022)
Projected traffic351 by 2042
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-764 over Unname Stream built?

It was built in 1952, making it 73 years old in 2025.

What condition is KY-764 over Unname Stream 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 November 2023.

How much traffic does KY-764 over Unname Stream carry?

About 351 vehicles per day (2022 count).

How long is KY-764 over Unname Stream?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.

Who owns KY-764 over Unname Stream?

It is owned by the State Highway Agency.