US Bridges

CR 300E over Miller Creek

Fair

Randolph County, Indiana · 00.87 MI S of SR 28 · Structure no. 6800061

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
517
2016 count
Owner
County
County Highway Agency

About this bridge

CR 300E over Miller Creek is a prestressed concrete box beam or girders - multiple carrying CR 300E over Miller Creek in Randolph County, Indiana. It was built in 1975, so it is 50 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 517 vehicles a day, roughly 10% of them trucks, projected to reach 634 by 2036. The structure is 32 ft (9.7 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 300E
CrossesMiller Creek
Location00.87 MI S of SR 28
RouteCounty Highway 321
StateIndiana
Coordinates40.24575, -84.91943
Functional classRural Major 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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length32 ft (9.7 m)
Longest span27 ft (8.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic517 (2016)
Projected traffic634 by 2036
Trucks10%
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$10,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 300E over Miller Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is CR 300E over Miller 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 300E over Miller Creek carry?

About 517 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is CR 300E over Miller Creek?

The structure is 32 ft (9.7 m) long with a longest span of 27 ft (8.3 m) and a deck 24 ft wide.

Who owns CR 300E over Miller Creek?

It is owned by the County Highway Agency.