US Bridges

CR 350W over Ramp Creek

Fair

Putnam County, Indiana · 00.10 S of CR 1000 N · Structure no. 6700006

Built
1920
105 years old, rebuilt 1987
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
87 ft
2 main spans
Daily traffic
130
2023 count
Owner
County
County Highway Agency

About this bridge

CR 350W over Ramp Creek is a prestressed concrete box beam or girders - multiple carrying CR 350W over Ramp Creek in Putnam County, Indiana. It was built in 1920 and reconstructed in 1987, so it is 105 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 130 vehicles a day, roughly 3% of them trucks, projected to reach 180 by 2043. The structure is 87 ft (26.4 m) long and 21 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 350W
CrossesRamp Creek
Location00.10 S of CR 1000 N
RouteCounty Highway 307
StateIndiana
Coordinates39.80388, -86.91331
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length87 ft (26.4 m)
Longest span43 ft (13.1 m)
Deck width21 ft (6.4 m)
Roadway width21 ft (6.4 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 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 350W over Ramp Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1987.

What condition is CR 350W over Ramp 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 350W over Ramp Creek carry?

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

How long is CR 350W over Ramp Creek?

The structure is 87 ft (26.4 m) long with a longest span of 43 ft (13.1 m) and a deck 21 ft wide.

Who owns CR 350W over Ramp Creek?

It is owned by the County Highway Agency.