US Bridges

Ky 1931 over Big Run

Fair

Jefferson County, Kentucky · 0.6 MI N of US 31W · Structure no. 056B00035N

Built
1941
84 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
8,399
2020 count
Owner
State
State Highway Agency

About this bridge

Ky 1931 over Big Run is a concrete culvert carrying Ky 1931 over Big Run in Jefferson County, Kentucky. It was built in 1941, so it is 84 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.

It carries about 8,399 vehicles a day, roughly 8% of them trucks, projected to reach 8,399 by 2040. The structure is 25 ft (7.5 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKy 1931
CrossesBig Run
Location0.6 MI N of US 31W
RouteState Highway 1931
CountyJefferson County
StateKentucky
Coordinates38.14694, -85.82944
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span11 ft (3.5 m)
Deck width34 ft (10.3 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,399 (2020)
Projected traffic8,399 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 1931 over Big Run built?

It was built in 1941, making it 84 years old in 2025.

What condition is Ky 1931 over Big 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 February 2024.

How much traffic does Ky 1931 over Big Run carry?

About 8,399 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Ky 1931 over Big Run?

The structure is 25 ft (7.5 m) long with a longest span of 11 ft (3.5 m) and a deck 34 ft wide.

Who owns Ky 1931 over Big Run?

It is owned by the State Highway Agency.