US Bridges

SR 75 over Big Raccoon Creek

Fair

Boone County, Indiana · 02.33 N I-74 · Structure no. 024880

Built
1997
28 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
1,869
2021 count
Owner
State
State Highway Agency

About this bridge

SR 75 over Big Raccoon Creek is a concrete continuous slab carrying SR 75 over Big Raccoon Creek in Boone County, Indiana. It was built in 1997, so it is 28 years old, younger 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 1,869 vehicles a day, roughly 9% of them trucks, projected to reach 3,503 by 2032. The structure is 92 ft (28 m) long and 33 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

Location

Open in Google Maps
CarriesSR 75
CrossesBig Raccoon Creek
Location02.33 N I-74
RouteState Highway 75
CountyBoone County
StateIndiana
Coordinates39.97612, -86.6198
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating75.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span36 ft (11 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,869 (2021)
Projected traffic3,503 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 75 over Big Raccoon Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR 75 over Big Raccoon 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 December 2023.

How much traffic does SR 75 over Big Raccoon Creek carry?

About 1,869 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is SR 75 over Big Raccoon Creek?

The structure is 92 ft (28 m) long with a longest span of 36 ft (11 m) and a deck 33 ft wide.

Who owns SR 75 over Big Raccoon Creek?

It is owned by the State Highway Agency.