US Bridges

CR 175W over Black Creek

Fair

Montgomery County, Indiana · 00.80 N of Old SR 55 · Structure no. 5400075

Built
1973
52 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

CR 175W over Black Creek is a concrete continuous slab carrying CR 175W over Black Creek in Montgomery County, Indiana. It was built in 1973, so it is 52 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 6 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2042. The structure is 101 ft (30.9 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 175W
CrossesBlack Creek
Location00.80 N of Old SR 55
RouteCounty Highway 49
StateIndiana
Coordinates40.06916, -86.93524
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.7 US tons
Inventory rating35.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length101 ft (30.9 m)
Longest span40 ft (12.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic150 by 2042
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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 CR 175W over Black Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is CR 175W over Black 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 April 2024.

How much traffic does CR 175W over Black Creek carry?

About 100 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 175W over Black Creek?

The structure is 101 ft (30.9 m) long with a longest span of 40 ft (12.1 m) and a deck 28 ft wide.

Who owns CR 175W over Black Creek?

It is owned by the County Highway Agency.