US Bridges

Seven Mile LN over Knob Creek

Fair

Floyd County, Indiana · 00.10 W of SR 111 · Structure no. 2200058

Built
1938
87 years old, rebuilt 1993
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
70 ft
3 main spans
Daily traffic
244
2016 count
Owner
County
County Highway Agency

About this bridge

Seven Mile LN over Knob Creek is a concrete continuous slab carrying Seven Mile LN over Knob Creek in Floyd County, Indiana. It was built in 1938 and reconstructed in 1993, so it is 87 years old, older than the Indiana 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 244 vehicles a day, roughly 3% of them trucks, projected to reach 359 by 2036. The structure is 70 ft (21.4 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSeven Mile LN
CrossesKnob Creek
Location00.10 W of SR 111
RouteCounty Highway 0
CountyFloyd County
StateIndiana
Coordinates38.19983, -85.88764
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.5 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length70 ft (21.4 m)
Longest span24 ft (7.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic244 (2016)
Projected traffic359 by 2036
Trucks3%
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

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 Seven Mile LN over Knob Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1993.

What condition is Seven Mile LN over Knob Creek 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 Seven Mile LN over Knob Creek carry?

About 244 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Seven Mile LN over Knob Creek?

The structure is 70 ft (21.4 m) long with a longest span of 24 ft (7.2 m) and a deck 24 ft wide.

Who owns Seven Mile LN over Knob Creek?

It is owned by the County Highway Agency.