US Bridges

CR 900N over Bosman Ditch

Fair

Delaware County, Indiana · 00.15 E of CR 450 E · Structure no. 1800033

Built
1985
40 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

CR 900N over Bosman Ditch is a steel stringer/multi-beam or girder carrying CR 900N over Bosman Ditch in Delaware County, Indiana. It was built in 1985, so it is 40 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 70 vehicles a day, roughly 1% of them trucks, projected to reach 120 by 2043. The structure is 35 ft (10.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 900N
CrossesBosman Ditch
Location00.15 E of CR 450 E
RouteCounty Highway 220
StateIndiana
Coordinates40.32046, -85.3019
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating52.6 US tons
Inventory rating31.5 US tons

Structure

MaterialSteel
DeckClosed grating
Main spans1
Design loadUnknown
Structure length35 ft (10.6 m)
Longest span33 ft (10 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic120 by 2043
Trucks1%
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 900N over Bosman Ditch built?

It was built in 1985, making it 40 years old in 2025.

What condition is CR 900N over Bosman 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 November 2024.

How much traffic does CR 900N over Bosman Ditch carry?

About 70 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is CR 900N over Bosman Ditch?

The structure is 35 ft (10.6 m) long with a longest span of 33 ft (10 m) and a deck 24 ft wide.

Who owns CR 900N over Bosman Ditch?

It is owned by the County Highway Agency.