US Bridges

CR 1175W over Walnut Fork of Sugar CR

Fair

Boone County, Indiana · 00.35 N of CR 200 S · Structure no. 0600087

Built
1930
95 years old, rebuilt 1980
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
2 main spans
Daily traffic
120
2017 count
Owner
County
County Highway Agency

About this bridge

CR 1175W over Walnut Fork of Sugar CR is a prestressed concrete box beam or girders - multiple carrying CR 1175W over Walnut Fork of Sugar CR in Boone County, Indiana. It was built in 1930 and reconstructed in 1980, so it is 95 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 5 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 120 vehicles a day, roughly 3% of them trucks, projected to reach 180 by 2037. The structure is 49 ft (14.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 1175W
CrossesWalnut Fork of Sugar CR
Location00.35 N of CR 200 S
RouteCounty Highway 1175
CountyBoone County
StateIndiana
Coordinates40.01599, -86.69082
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span23 ft (7.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2017)
Projected traffic180 by 2037
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 1175W over Walnut Fork of Sugar CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1980.

What condition is CR 1175W over Walnut Fork of Sugar CR 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 September 2023.

How much traffic does CR 1175W over Walnut Fork of Sugar CR carry?

About 120 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is CR 1175W over Walnut Fork of Sugar CR?

The structure is 49 ft (14.9 m) long with a longest span of 23 ft (7.1 m) and a deck 24 ft wide.

Who owns CR 1175W over Walnut Fork of Sugar CR?

It is owned by the County Highway Agency.