US Bridges

US 41 NB over South Fork Smalls Creek

Good

Knox County, Indiana · 02.97 N SR 67 · Structure no. 014780

Built
1971
54 years old, rebuilt 1984
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
168 ft
3 main spans
Daily traffic
8,750
2017 count
Owner
State
State Highway Agency

About this bridge

US 41 NB over South Fork Smalls Creek is a steel continuous stringer/multi-beam or girder carrying US 41 NB over South Fork Smalls Creek in Knox County, Indiana. It was built in 1971 and reconstructed in 1984, so it is 54 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,750 vehicles a day, roughly 23% of them trucks, projected to reach 8,750 by 2040. The structure is 168 ft (51.2 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 41 NB
CrossesSouth Fork Smalls Creek
Location02.97 N SR 67
RouteU.S. Route 41
StateIndiana
Coordinates38.75489, -87.47454
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span62 ft (19 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,750 (2017)
Projected traffic8,750 by 2040
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 41 NB over South Fork Smalls Creek built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1984.

What condition is US 41 NB over South Fork Smalls Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does US 41 NB over South Fork Smalls Creek carry?

About 8,750 vehicles per day (2017 count), of which roughly 23% are trucks.

How long is US 41 NB over South Fork Smalls Creek?

The structure is 168 ft (51.2 m) long with a longest span of 62 ft (19 m) and a deck 42 ft wide.

Who owns US 41 NB over South Fork Smalls Creek?

It is owned by the State Highway Agency.