US Bridges

CR 350N over Saltzman Drain

PoorPosted for load

Tippecanoe County, Indiana · 00.37 W of E County Line · Structure no. 7900149

Built
1959
66 years old
Condition
Poor
inspected September 2024
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
206
2023 count
Owner
County
County Highway Agency

About this bridge

CR 350N over Saltzman Drain is a concrete channel beam carrying CR 350N over Saltzman Drain in Tippecanoe County, Indiana. It was built in 1959, so it is 66 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 206 vehicles a day, roughly 7% of them trucks, projected to reach 312 by 2044. The structure is 29 ft (8.8 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 350N
CrossesSaltzman Drain
Location00.37 W of E County Line
RouteCounty Highway 216
StateIndiana
Coordinates40.46742, -86.7016
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.7 US tons
Inventory rating25.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic206 (2023)
Projected traffic312 by 2044
Trucks7%
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$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 350N over Saltzman Drain built?

It was built in 1959, making it 66 years old in 2025.

What condition is CR 350N over Saltzman Drain 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 September 2024.

How much traffic does CR 350N over Saltzman Drain carry?

About 206 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is CR 350N over Saltzman Drain?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 22 ft wide.

Who owns CR 350N over Saltzman Drain?

It is owned by the County Highway Agency.