US Bridges

US 20 over CSX RR

Good

Porter County, Indiana · 01.30 W SR 249 · Structure no. 005230

Built
1931
94 years old, rebuilt 2018
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
252 ft
5 main spans
Daily traffic
9,928
2021 count
Owner
State
State Highway Agency

About this bridge

US 20 over CSX RR is a steel continuous stringer/multi-beam or girder carrying US 20 over CSX RR in Porter County, Indiana. It was built in 1931 and reconstructed in 2018, so it is 94 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 9,928 vehicles a day, roughly 9% of them trucks, projected to reach 18,988 by 2030. The structure is 252 ft (76.8 m) long and 57 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 20
CrossesCSX RR
Location01.30 W SR 249
RouteU.S. Route 20
StateIndiana
Coordinates41.59126, -87.19632
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating40.3 US tons
Inventory rating31.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span66 ft (20.1 m)
Deck width57 ft (17.4 m)
Roadway width54 ft (16.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,928 (2021)
Projected traffic18,988 by 2030
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 20 over CSX RR built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2018.

What condition is US 20 over CSX RR 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 July 2024.

How much traffic does US 20 over CSX RR carry?

About 9,928 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is US 20 over CSX RR?

The structure is 252 ft (76.8 m) long with a longest span of 66 ft (20.1 m) and a deck 57 ft wide.

Who owns US 20 over CSX RR?

It is owned by the State Highway Agency.