US Bridges

CR 175S over Branch of Long Branch CR

PoorPosted for load

Putnam County, Indiana · 00.50 W of CR 800 W · Structure no. 6700103

Built
1940
85 years old
Condition
Poor
inspected March 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

CR 175S over Branch of Long Branch CR is a concrete slab carrying CR 175S over Branch of Long Branch CR in Putnam County, Indiana. It was built in 1940, so it is 85 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 140 by 2043. The structure is 23 ft (7 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCR 175S
CrossesBranch of Long Branch CR
Location00.50 W of CR 800 W
RouteCounty Highway 18
CountyPutnam County
StateIndiana
Coordinates39.63612, -87.00324
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
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.
Substructure4 PoorAdvanced section loss, deterioration, 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 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.7 US tons
Inventory rating12.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.2 m)
Deck width19 ft (5.7 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic140 by 2043
Trucks1%
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$2.2 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 175S over Branch of Long Branch CR built?

It was built in 1940, making it 85 years old in 2025.

What condition is CR 175S over Branch of Long Branch CR 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 175S over Branch of Long Branch CR carry?

About 100 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is CR 175S over Branch of Long Branch CR?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.2 m) and a deck 19 ft wide.

Who owns CR 175S over Branch of Long Branch CR?

It is owned by the County Highway Agency.