US Bridges

CR 34 over Rock Run Creek

FairPosted for load

Elkhart County, Indiana · 00.10 E of CR 29 · Structure no. 2000064

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
106 ft
3 main spans
Daily traffic
1,444
2020 count
Owner
County
County Highway Agency

About this bridge

CR 34 over Rock Run Creek is a prestressed concrete continuous box beam or girders - multiple carrying CR 34 over Rock Run Creek in Elkhart County, Indiana. It was built in 1979, so it is 46 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 1,444 vehicles a day, roughly 11% of them trucks, projected to reach 2,487 by 2040. The structure is 106 ft (32.4 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 34
CrossesRock Run Creek
Location00.10 E of CR 29
RouteCity Street 46
StateIndiana
Coordinates41.58093, -85.78397
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating26.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length106 ft (32.4 m)
Longest span40 ft (12.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,444 (2020)
Projected traffic2,487 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 CR 34 over Rock Run Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is CR 34 over Rock Run 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 August 2024.

How much traffic does CR 34 over Rock Run Creek carry?

About 1,444 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is CR 34 over Rock Run Creek?

The structure is 106 ft (32.4 m) long with a longest span of 40 ft (12.1 m) and a deck 29 ft wide.

Who owns CR 34 over Rock Run Creek?

It is owned by the County Highway Agency.