US Bridges

CR 50N over Duck Creek

Fair

Decatur County, Indiana · 00.30 E of CR 1100 W · Structure no. 1600103

Built
1890
135 years old, rebuilt 1988
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
140
2017 count
Owner
County
County Highway Agency

About this bridge

CR 50N over Duck Creek is a prestressed concrete box beam or girders - multiple carrying CR 50N over Duck Creek in Decatur County, Indiana. It was built in 1890 and reconstructed in 1988, so it is 135 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 140 vehicles a day, roughly 6% of them trucks, projected to reach 220 by 2037. The structure is 46 ft (14 m) long and 20 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCR 50N
CrossesDuck Creek
Location00.30 E of CR 1100 W
RouteCounty Highway 58
CountyDecatur County
StateIndiana
Coordinates39.34186, -85.67872
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.3 US tons
Inventory rating31.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2017)
Projected traffic220 by 2037
Trucks6%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 50N over Duck Creek built?

It was built in 1890, making it 135 years old in 2025. It was reconstructed in 1988.

What condition is CR 50N over Duck Creek 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 April 2023.

How much traffic does CR 50N over Duck Creek carry?

About 140 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is CR 50N over Duck Creek?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 20 ft wide.

Who owns CR 50N over Duck Creek?

It is owned by the County Highway Agency.