US Bridges

Ky 1531 over Brush Run

Fair

Jefferson County, Kentucky · 250 Ft N of Ky 148 · Structure no. 056B00453N

Built
1996
29 years old
Condition
Fair
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
1,753
2019 count
Owner
State
State Highway Agency

About this bridge

Ky 1531 over Brush Run is a prestressed concrete box beam or girders - multiple carrying Ky 1531 over Brush Run in Jefferson County, Kentucky. It was built in 1996, so it is 29 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 1,753 vehicles a day, projected to reach 1,753 by 2039. The structure is 46 ft (14 m) long and 32 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesKy 1531
CrossesBrush Run
Location250 Ft N of Ky 148
RouteState Highway 1531
Coordinates38.18972, -85.45444
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.9 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length46 ft (14 m)
Longest span44 ft (13.5 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,753 (2019)
Projected traffic1,753 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 1531 over Brush Run built?

It was built in 1996, making it 29 years old in 2025.

What condition is Ky 1531 over Brush Run 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 2022.

How much traffic does Ky 1531 over Brush Run carry?

About 1,753 vehicles per day (2019 count).

How long is Ky 1531 over Brush Run?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.5 m) and a deck 32 ft wide.

Who owns Ky 1531 over Brush Run?

It is owned by the State Highway Agency.