US Bridges

CR 600 North over Amos-Thieme Ditch

Good

Adams County, Indiana · 0.60 Miles W of CR 700 E · Structure no. 0100039

Built
1976
49 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
110
2022 count
Owner
County
County Highway Agency

About this bridge

CR 600 North over Amos-Thieme Ditch is a prestressed concrete box beam or girders - multiple carrying CR 600 North over Amos-Thieme Ditch in Adams County, Indiana. It was built in 1976, so it is 49 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 110 vehicles a day, roughly 5% of them trucks, projected to reach 148 by 2042. The structure is 41 ft (12.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 600 North
CrossesAmos-Thieme Ditch
Location0.60 Miles W of CR 700 E
RouteCounty Highway 600
StateIndiana
Coordinates40.83448, -84.81463
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.4 m)
Longest span40 ft (12.1 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)
Projected traffic148 by 2042
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 CR 600 North over Amos-Thieme Ditch built?

It was built in 1976, making it 49 years old in 2025.

What condition is CR 600 North over Amos-Thieme Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does CR 600 North over Amos-Thieme Ditch carry?

About 110 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 600 North over Amos-Thieme Ditch?

The structure is 41 ft (12.4 m) long with a longest span of 40 ft (12.1 m) and a deck 27 ft wide.

Who owns CR 600 North over Amos-Thieme Ditch?

It is owned by the County Highway Agency.