US Bridges

Grangemouth DR over Stone-Lily Lake Channel

FairPosted for load

LaPorte County, Indiana · 00.01 NW Lake Shore DR · Structure no. 4600137

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
48 ft
3 main spans
Daily traffic
2,425
2022 count
Owner
County
County Highway Agency

About this bridge

Grangemouth DR over Stone-Lily Lake Channel is a wood or timber slab carrying Grangemouth DR over Stone-Lily Lake Channel in LaPorte County, Indiana. It was built in 1986, so it is 39 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 2,425 vehicles a day, roughly 5% of them trucks, projected to reach 3,025 by 2042. The structure is 48 ft (14.6 m) long and 25 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesGrangemouth DR
CrossesStone-Lily Lake Channel
Location00.01 NW Lake Shore DR
RouteCity Street 0
CountyLaPorte County
StateIndiana
Coordinates41.61575, -86.73914
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span16 ft (4.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,425 (2022)
Projected traffic3,025 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Grangemouth DR over Stone-Lily Lake Channel built?

It was built in 1986, making it 39 years old in 2025.

What condition is Grangemouth DR over Stone-Lily Lake Channel 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 September 2024.

How much traffic does Grangemouth DR over Stone-Lily Lake Channel carry?

About 2,425 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Grangemouth DR over Stone-Lily Lake Channel?

The structure is 48 ft (14.6 m) long with a longest span of 16 ft (4.8 m) and a deck 25 ft wide.

Who owns Grangemouth DR over Stone-Lily Lake Channel?

It is owned by the County Highway Agency.