US Bridges

US 41 NB over SR 441 Nb/Sb

Fair

Knox County, Indiana · 03.05 S US 50 · Structure no. 014610

Built
1967
58 years old, rebuilt 1996
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
206 ft
4 main spans
Daily traffic
9,615
2004 count
Owner
State
State Highway Agency

About this bridge

US 41 NB over SR 441 Nb/Sb is a steel continuous stringer/multi-beam or girder carrying US 41 NB over SR 441 Nb/Sb in Knox County, Indiana. It was built in 1967 and reconstructed in 1996, so it is 58 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 9,615 vehicles a day, roughly 5% of them trucks, projected to reach 13,547 by 2034. The structure is 206 ft (62.7 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 41 NB
CrossesSR 441 Nb/Sb
Location03.05 S US 50
RouteU.S. Route 41
CountyKnox County
StateIndiana
Coordinates38.64822, -87.52758
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length206 ft (62.7 m)
Longest span56 ft (17 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,615 (2004)
Projected traffic13,547 by 2034
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 41 NB over SR 441 Nb/Sb built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1996.

What condition is US 41 NB over SR 441 Nb/Sb 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 August 2024.

How much traffic does US 41 NB over SR 441 Nb/Sb carry?

About 9,615 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is US 41 NB over SR 441 Nb/Sb?

The structure is 206 ft (62.7 m) long with a longest span of 56 ft (17 m) and a deck 54 ft wide.

Who owns US 41 NB over SR 441 Nb/Sb?

It is owned by the State Highway Agency.