US Bridges

US 41 NB over CSX RR

Fair

Knox County, Indiana · 00.63 N SR 441 · Structure no. 014630

Built
1967
58 years old, rebuilt 2016
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
205 ft
3 main spans
Daily traffic
9,615
2004 count
Owner
State
State Highway Agency

About this bridge

US 41 NB over CSX RR is a steel continuous stringer/multi-beam or girder carrying US 41 NB over CSX RR in Knox County, Indiana. It was built in 1967 and reconstructed in 2016, 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 2030. The structure is 205 ft (62.5 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 41 NB
CrossesCSX RR
Location00.63 N SR 441
RouteU.S. Route 41
StateIndiana
Coordinates38.6545, -87.51976
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span86 ft (26.2 m)
Deck width36 ft (11.1 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,615 (2004)
Projected traffic13,547 by 2030
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 CSX RR built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2016.

What condition is US 41 NB over CSX RR 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 December 2023.

How much traffic does US 41 NB over CSX RR carry?

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

How long is US 41 NB over CSX RR?

The structure is 205 ft (62.5 m) long with a longest span of 86 ft (26.2 m) and a deck 36 ft wide.

Who owns US 41 NB over CSX RR?

It is owned by the State Highway Agency.