US Bridges

CR 850N over South Ramp Creek

PoorPosted for load

Putnam County, Indiana · 00.30 W of CR 25 W · Structure no. 6700205

Built
1925
100 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
2 main spans
Daily traffic
130
2023 count
Owner
County
County Highway Agency

About this bridge

CR 850N over South Ramp Creek is a steel stringer/multi-beam or girder carrying CR 850N over South Ramp Creek in Putnam County, Indiana. It was built in 1925, so it is 100 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 130 vehicles a day, roughly 3% of them trucks, projected to reach 180 by 2043. The structure is 44 ft (13.4 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 850N
CrossesSouth Ramp Creek
Location00.30 W of CR 25 W
RouteCounty Highway 40
StateIndiana
Coordinates39.78468, -86.85902
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating6 US tons
Inventory rating6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span20 ft (6.2 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2023)
Projected traffic180 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.5 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 850N over South Ramp Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is CR 850N over South Ramp 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 March 2024.

How much traffic does CR 850N over South Ramp Creek carry?

About 130 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR 850N over South Ramp Creek?

The structure is 44 ft (13.4 m) long with a longest span of 20 ft (6.2 m) and a deck 22 ft wide.

Who owns CR 850N over South Ramp Creek?

It is owned by the County Highway Agency.