US Bridges

Simpson Lane over Smith Fork

FairPosted for load

Madison County, Kentucky · 1.0 MI N JCT I 75 · Structure no. 076C00085N

Built
1997
28 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
755
2009 count
Owner
County
County Highway Agency

About this bridge

Simpson Lane over Smith Fork is a prestressed concrete box beam or girders - multiple carrying Simpson Lane over Smith Fork in Madison County, Kentucky. It was built in 1997, so it is 28 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. Its operating status is: posted for load restriction.

It carries about 755 vehicles a day, projected to reach 755 by 2029. The structure is 34 ft (10.4 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSimpson Lane
CrossesSmith Fork
Location1.0 MI N JCT I 75
RouteCounty Highway 1319
CountyMadison County
StateKentucky
Coordinates37.88472, -84.31722
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating38.7 US tons
Inventory rating23.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length34 ft (10.4 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic755 (2009)
Projected traffic755 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Simpson Lane over Smith Fork built?

It was built in 1997, making it 28 years old in 2025.

What condition is Simpson Lane over Smith Fork 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 March 2024.

How much traffic does Simpson Lane over Smith Fork carry?

About 755 vehicles per day (2009 count).

How long is Simpson Lane over Smith Fork?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns Simpson Lane over Smith Fork?

It is owned by the County Highway Agency.