US Bridges

Bleck Road over Trail Creek

Fair

LaPorte County, Indiana · 00.20 S US 20 · Structure no. 4600001

Built
1935
90 years old, rebuilt 1985
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
2,225
2022 count
Owner
County
County Highway Agency

About this bridge

Bleck Road over Trail Creek is a prestressed concrete box beam or girders - multiple carrying Bleck Road over Trail Creek in LaPorte County, Indiana. It was built in 1935 and reconstructed in 1985, so it is 90 years old, older 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 2,225 vehicles a day, roughly 5% of them trucks, projected to reach 3,900 by 2040. The structure is 42 ft (12.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBleck Road
CrossesTrail Creek
Location00.20 S US 20
RouteCity Street 0
StateIndiana
Coordinates41.68603, -86.84463
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.9 US tons
Inventory rating51.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span38 ft (11.5 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,225 (2022)
Projected traffic3,900 by 2040
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 Bleck Road over Trail Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1985.

What condition is Bleck Road over 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 Bleck Road over Trail Creek carry?

About 2,225 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Bleck Road over Trail Creek?

The structure is 42 ft (12.8 m) long with a longest span of 38 ft (11.5 m) and a deck 28 ft wide.

Who owns Bleck Road over Trail Creek?

It is owned by the County Highway Agency.