US Bridges

CR 900S over Castleman Ditch

Fair

Starke County, Indiana · 00.20 E CR 600 E · Structure no. 7500035

Built
1953
72 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
625
2016 count
Owner
County
County Highway Agency

About this bridge

CR 900S over Castleman Ditch is a concrete slab carrying CR 900S over Castleman Ditch in Starke County, Indiana. It was built in 1953, so it is 72 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 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 625 vehicles a day, roughly 5% of them trucks, projected to reach 950 by 2036. The structure is 23 ft (7.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 900S
CrossesCastleman Ditch
Location00.20 E CR 600 E
RouteCounty Highway 4
CountyStarke County
StateIndiana
Coordinates41.17197, -86.58048
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
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.6 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span21 ft (6.5 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2016)
Projected traffic950 by 2036
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 900S over Castleman Ditch built?

It was built in 1953, making it 72 years old in 2025.

What condition is CR 900S over Castleman Ditch 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 October 2024.

How much traffic does CR 900S over Castleman Ditch carry?

About 625 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is CR 900S over Castleman Ditch?

The structure is 23 ft (7.1 m) long with a longest span of 21 ft (6.5 m) and a deck 26 ft wide.

Who owns CR 900S over Castleman Ditch?

It is owned by the County Highway Agency.