US Bridges

Ky 1931 over Big Run

Fair

Jefferson County, Kentucky · 2.0 MI N of US 31W · Structure no. 056B00431N

Built
1991
34 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
26 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 1991, so it is 34 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 8,399 vehicles a day, roughly 8% of them trucks, projected to reach 8,399 by 2040. The structure is 26 ft (7.8 m) long and 92 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKy 1931
CrossesBig Run
Location2.0 MI N of US 31W
RouteState Highway 1931
Coordinates38.15333, -85.80694
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.4 US tons
Inventory rating59.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width92 ft (28 m)
Roadway width30 ft (9.1 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 closed3.7 mi (6 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 1931 over Big Run built?

It was built in 1991, making it 34 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 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m) and a deck 92 ft wide.

Who owns Ky 1931 over Big Run?

It is owned by the State Highway Agency.