US Bridges

SR 4 over Fish Lake Channel

Good

LaPorte County, Indiana · 03.53 E SR 104 · Structure no. 001440

Built
2001
24 years old
Condition
Good
inspected February 2024
Type
Slab
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
3,408
2004 count
Owner
State
State Highway Agency

About this bridge

SR 4 over Fish Lake Channel is a prestressed concrete slab carrying SR 4 over Fish Lake Channel in LaPorte County, Indiana. It was built in 2001, so it is 24 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 3,408 vehicles a day, roughly 4% of them trucks, projected to reach 5,657 by 2030. The structure is 56 ft (17 m) long and 37 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR 4
CrossesFish Lake Channel
Location03.53 E SR 104
RouteState Highway 4
CountyLaPorte County
StateIndiana
Coordinates41.5662, -86.5483
Functional classRural Major Collector

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length56 ft (17 m)
Longest span53 ft (16.3 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,408 (2004)
Projected traffic5,657 by 2030
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4 over Fish Lake Channel built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR 4 over Fish Lake Channel 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 February 2024.

How much traffic does SR 4 over Fish Lake Channel carry?

About 3,408 vehicles per day (2004 count), of which roughly 4% are trucks.

How long is SR 4 over Fish Lake Channel?

The structure is 56 ft (17 m) long with a longest span of 53 ft (16.3 m) and a deck 37 ft wide.

Who owns SR 4 over Fish Lake Channel?

It is owned by the State Highway Agency.