US Bridges

Michigan RD over CSX RR

Poor

Marshall County, Indiana · 00.77 N of US 6 · Structure no. 010150

Built
1980
45 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
161 ft
3 main spans
Daily traffic
5,150
2024 count
Owner
County
County Highway Agency

About this bridge

Michigan RD over CSX RR is a steel continuous stringer/multi-beam or girder carrying Michigan RD over CSX RR in Marshall County, Indiana. It was built in 1980, so it is 45 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,150 vehicles a day, roughly 5% of them trucks, projected to reach 7,575 by 2044. The structure is 161 ft (49.1 m) long and 67 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesMichigan RD
CrossesCSX RR
Location00.77 N of US 6
RouteCounty Highway 81
CountyMarshall County
StateIndiana
Coordinates41.46031, -86.3078
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.5 US tons
Inventory rating47.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length161 ft (49.1 m)
Longest span62 ft (18.8 m)
Deck width67 ft (20.5 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,150 (2024)
Projected traffic7,575 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Michigan RD over CSX RR built?

It was built in 1980, making it 45 years old in 2025.

What condition is Michigan RD over CSX RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Michigan RD over CSX RR carry?

About 5,150 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Michigan RD over CSX RR?

The structure is 161 ft (49.1 m) long with a longest span of 62 ft (18.8 m) and a deck 67 ft wide.

Who owns Michigan RD over CSX RR?

It is owned by the County Highway Agency.