US Bridges

CR 500N over Plum Creek

Fair

Putnam County, Indiana · 00.10 W of CR 475 E · Structure no. 6700043

Built
1950
75 years old, rebuilt 1992
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

CR 500N over Plum Creek is a prestressed concrete box beam or girders - multiple carrying CR 500N over Plum Creek in Putnam County, Indiana. It was built in 1950 and reconstructed in 1992, so it is 75 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 5 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 300 vehicles a day, roughly 3% of them trucks, projected to reach 410 by 2043. The structure is 73 ft (22.2 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 500N
CrossesPlum Creek
Location00.10 W of CR 475 E
RouteCounty Highway 38
CountyPutnam County
StateIndiana
Coordinates39.73215, -86.76763
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.7 US tons
Inventory rating46.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length73 ft (22.2 m)
Longest span70 ft (21.4 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic410 by 2043
Trucks3%
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 500N over Plum Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1992.

What condition is CR 500N over Plum 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 March 2023.

How much traffic does CR 500N over Plum Creek carry?

About 300 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR 500N over Plum Creek?

The structure is 73 ft (22.2 m) long with a longest span of 70 ft (21.4 m) and a deck 26 ft wide.

Who owns CR 500N over Plum Creek?

It is owned by the County Highway Agency.