US Bridges

SR 350 over Plum Creek

Fair

Ripley County, Indiana · 01.48 E US 421 · Structure no. 031800

Built
1956
69 years old, rebuilt 2015
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
37 ft
1 main span
Daily traffic
3,615
2015 count
Owner
State
State Highway Agency

About this bridge

SR 350 over Plum Creek is a concrete stringer/multi-beam or girder carrying SR 350 over Plum Creek in Ripley County, Indiana. It was built in 1956 and reconstructed in 2015, so it is 69 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 3,615 vehicles a day, roughly 10% of them trucks, projected to reach 5,015 by 2025. The structure is 37 ft (11.3 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 350
CrossesPlum Creek
Location01.48 E US 421
RouteState Highway 350
StateIndiana
Coordinates39.14325, -85.27055
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating49.3 US tons
Inventory rating38.3 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span36 ft (10.9 m)
Deck width41 ft (12.5 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,615 (2015)
Projected traffic5,015 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 350 over Plum Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2015.

What condition is SR 350 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 October 2023.

How much traffic does SR 350 over Plum Creek carry?

About 3,615 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is SR 350 over Plum Creek?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (10.9 m) and a deck 41 ft wide.

Who owns SR 350 over Plum Creek?

It is owned by the State Highway Agency.