US Bridges

CR 900N over Glidden Ditch

PoorPosted for load

Rush County, Indiana · 00.10 E of CR 575 E · Structure no. 7000048

Built
1974
51 years old
Condition
Poor
inspected April 2023
Type
Channel Beam
Concrete
Length
32 ft
1 main span
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

CR 900N over Glidden Ditch is a concrete channel beam carrying CR 900N over Glidden Ditch in Rush County, Indiana. It was built in 1974, so it is 51 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 5% of them trucks, projected to reach 375 by 2040. The structure is 32 ft (9.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCR 900N
CrossesGlidden Ditch
Location00.10 E of CR 575 E
RouteCounty Highway 68
CountyRush County
StateIndiana
Coordinates39.74412, -85.33935
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 rating55.4 US tons
Inventory rating33.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic375 by 2040
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$798,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 900N over Glidden Ditch built?

It was built in 1974, making it 51 years old in 2025.

What condition is CR 900N over Glidden Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

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

About 300 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is CR 900N over Glidden Ditch?

The structure is 32 ft (9.7 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns CR 900N over Glidden Ditch?

It is owned by the County Highway Agency.