US Bridges

CR 850N over Duck Creek

PoorPosted for load

Bartholomew County, Indiana · 00.44 W of CR 1200 E · Structure no. 0300046

Built
1915
110 years old
Condition
Poor
inspected June 2024
Type
Girder and Floorbeam System
Concrete
Length
67 ft
2 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

CR 850N over Duck Creek is a concrete girder and floorbeam system carrying CR 850N over Duck Creek in Bartholomew County, Indiana. It was built in 1915, so it is 110 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 3 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 150 vehicles a day, roughly 2% of them trucks, projected to reach 230 by 2038. The structure is 67 ft (20.4 m) long and 18 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesCR 850N
CrossesDuck Creek
Location00.44 W of CR 1200 E
RouteCounty Highway 218
CountyBartholomew County
StateIndiana
Coordinates39.32762, -85.69332
Functional classRural Local

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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.1 US tons
Inventory rating25.5 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length67 ft (20.4 m)
Longest span31 ft (9.5 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic230 by 2038
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$942,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 850N over Duck Creek built?

It was built in 1915, making it 110 years old in 2025.

What condition is CR 850N over Duck Creek 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 June 2024.

How much traffic does CR 850N over Duck Creek carry?

About 150 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is CR 850N over Duck Creek?

The structure is 67 ft (20.4 m) long with a longest span of 31 ft (9.5 m) and a deck 18 ft wide.

Who owns CR 850N over Duck Creek?

It is owned by the County Highway Agency.