US Bridges

CR 300S over Sallust Branch Creek

PoorPosted for load

Putnam County, Indiana · 00.50 E of CR 1000 E · Structure no. 6700178

Built
1920
105 years old
Condition
Poor
inspected March 2024
Type
Girder and Floorbeam System
Concrete
Length
44 ft
1 main span
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

CR 300S over Sallust Branch Creek is a concrete girder and floorbeam system carrying CR 300S over Sallust Branch Creek in Putnam County, Indiana. It was built in 1920, 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 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 110 vehicles a day, roughly 3% of them trucks, projected to reach 150 by 2043. The structure is 44 ft (13.4 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 300S
CrossesSallust Branch Creek
Location00.50 E of CR 1000 E
RouteCounty Highway 186
StateIndiana
Coordinates39.61571, -86.66142
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11.9 US tons
Inventory rating11.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span39 ft (12 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2023)
Projected traffic150 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 300S over Sallust Branch Creek built?

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

What condition is CR 300S over Sallust Branch 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 300S over Sallust Branch Creek carry?

About 110 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR 300S over Sallust Branch Creek?

The structure is 44 ft (13.4 m) long with a longest span of 39 ft (12 m) and a deck 21 ft wide.

Who owns CR 300S over Sallust Branch Creek?

It is owned by the County Highway Agency.