US Bridges

Rockstroh RD over Heston Creek

Fair

St. Joseph County, Indiana · 00.20 W of Kenilworth RD · Structure no. 7100075

Built
1950
75 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
1
2016 count
Owner
County
County Highway Agency

About this bridge

Rockstroh RD over Heston Creek is a prestressed concrete box beam or girders - multiple carrying Rockstroh RD over Heston Creek in St. Joseph County, Indiana. It was built in 1950, so it is 75 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 5 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 vehicles a day, roughly 5% of them trucks, projected to reach 2 by 2036. The structure is 25 ft (7.6 m) long and 20 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRockstroh RD
CrossesHeston Creek
Location00.20 W of Kenilworth RD
RouteCounty Highway 0
StateIndiana
Coordinates41.49689, -86.25569
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2016)
Projected traffic2 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$108,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rockstroh RD over Heston Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Rockstroh RD over Heston 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 Rockstroh RD over Heston Creek carry?

About 1 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Rockstroh RD over Heston Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.

Who owns Rockstroh RD over Heston Creek?

It is owned by the County Highway Agency.