US Bridges

CR 100N over Little Deer Creek

Fair

Carroll County, Indiana · 00.16 E of CR 400 E · Structure no. 0800050

Built
1979
46 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
85 ft
2 main spans
Daily traffic
75
2011 count
Owner
County
County Highway Agency

About this bridge

CR 100N over Little Deer Creek is a prestressed concrete box beam or girders - multiple carrying CR 100N over Little Deer Creek in Carroll 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.

It carries about 75 vehicles a day, roughly 5% of them trucks, projected to reach 91 by 2031. The structure is 85 ft (26 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 100N
CrossesLittle Deer Creek
Location00.16 E of CR 400 E
RouteCounty Highway 40
StateIndiana
Coordinates40.56138, -86.44538
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length85 ft (26 m)
Longest span41 ft (12.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2011)
Projected traffic91 by 2031
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 100N over Little Deer Creek built?

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

What condition is CR 100N over Little Deer 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 May 2023.

How much traffic does CR 100N over Little Deer Creek carry?

About 75 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is CR 100N over Little Deer Creek?

The structure is 85 ft (26 m) long with a longest span of 41 ft (12.4 m) and a deck 24 ft wide.

Who owns CR 100N over Little Deer Creek?

It is owned by the County Highway Agency.