US Bridges

SR 350 over Plum Creek

Good

Ripley County, Indiana · 02.19 E US 421 · Structure no. 031820

Built
1956
69 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
42 ft
1 main span
Daily traffic
3,343
2004 count
Owner
State
State Highway Agency

About this bridge

SR 350 over Plum Creek is a concrete culvert carrying SR 350 over Plum Creek in Ripley County, Indiana. It was built in 1956, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,343 vehicles a day, roughly 10% of them trucks, projected to reach 5,581 by 2030. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR 350
CrossesPlum Creek
Location02.19 E US 421
RouteState Highway 350
StateIndiana
Coordinates39.14574, -85.25864
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating97.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,343 (2004)
Projected traffic5,581 by 2030
Trucks10%
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

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.

What condition is SR 350 over Plum Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does SR 350 over Plum Creek carry?

About 3,343 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is SR 350 over Plum Creek?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.1 m).

Who owns SR 350 over Plum Creek?

It is owned by the State Highway Agency.