US Bridges

Karwick Road over Branch of Trail Creek

Fair

LaPorte County, Indiana · 00.20 S Springland Ave · Structure no. 4600162

Built
1988
37 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
1,750
2022 count
Owner
County
County Highway Agency

About this bridge

Karwick Road over Branch of Trail Creek is a steel culvert carrying Karwick Road over Branch of Trail Creek in LaPorte County, Indiana. It was built in 1988, so it is 37 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.

It carries about 1,750 vehicles a day, roughly 5% of them trucks, projected to reach 3,125 by 2042. The structure is 21 ft (6.4 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKarwick Road
CrossesBranch of Trail Creek
Location00.20 S Springland Ave
RouteCity Street 0
CountyLaPorte County
StateIndiana
Coordinates41.71458, -86.85529
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.4 US tons
Inventory rating84.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width76 ft (23.1 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2022)
Projected traffic3,125 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Karwick Road over Branch of Trail Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Karwick Road over Branch of Trail Creek 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 Karwick Road over Branch of Trail Creek carry?

About 1,750 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Karwick Road over Branch of Trail Creek?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m) and a deck 76 ft wide.

Who owns Karwick Road over Branch of Trail Creek?

It is owned by the County Highway Agency.