US Bridges

Mississippi Street over Grand Trunk Railroad

Good

Lake County, Indiana · 00.30 N. of 69th Avenue · Structure no. 4500388

Built
2004
21 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
198 ft
3 main spans
Daily traffic
10,846
2012 count
Owner
County
County Highway Agency

About this bridge

Mississippi Street over Grand Trunk Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying Mississippi Street over Grand Trunk Railroad in Lake County, Indiana. It was built in 2004, so it is 21 years old, younger 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 10,846 vehicles a day, roughly 1% of them trucks, projected to reach 14,049 by 2038. The structure is 198 ft (60.5 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMississippi Street
CrossesGrand Trunk Railroad
Location00.30 N. of 69th Avenue
RouteCounty Highway 0
StateIndiana
Coordinates41.49728, -87.31812
Functional classUrban Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 rating64.6 US tons
Inventory rating34.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length198 ft (60.5 m)
Longest span68 ft (20.7 m)
Deck width66 ft (20.1 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,846 (2012)
Projected traffic14,049 by 2038
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$45,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mississippi Street over Grand Trunk Railroad built?

It was built in 2004, making it 21 years old in 2025.

What condition is Mississippi Street over Grand Trunk Railroad 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 August 2024.

How much traffic does Mississippi Street over Grand Trunk Railroad carry?

About 10,846 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Mississippi Street over Grand Trunk Railroad?

The structure is 198 ft (60.5 m) long with a longest span of 68 ft (20.7 m) and a deck 66 ft wide.

Who owns Mississippi Street over Grand Trunk Railroad?

It is owned by the County Highway Agency.