US Bridges

CR 750S over Etter Ditch

Fair

Boone County, Indiana · 01.10 W of CR 600 E · Structure no. 0600149

Built
1992
33 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
620
2017 count
Owner
County
County Highway Agency

About this bridge

CR 750S over Etter Ditch is a prestressed concrete box beam or girders - multiple carrying CR 750S over Etter Ditch in Boone County, Indiana. It was built in 1992, so it is 33 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 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 620 vehicles a day, roughly 5% of them trucks, projected to reach 940 by 2037. The structure is 44 ft (13.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 750S
CrossesEtter Ditch
Location01.10 W of CR 600 E
RouteCounty Highway 750
CountyBoone County
StateIndiana
Coordinates39.9311, -86.37706
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 rating40 US tons
Inventory rating26.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length44 ft (13.5 m)
Longest span43 ft (13.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2017)
Projected traffic940 by 2037
Trucks5%
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 750S over Etter Ditch built?

It was built in 1992, making it 33 years old in 2025.

What condition is CR 750S over Etter Ditch 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 750S over Etter Ditch carry?

About 620 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is CR 750S over Etter Ditch?

The structure is 44 ft (13.5 m) long with a longest span of 43 ft (13.1 m) and a deck 28 ft wide.

Who owns CR 750S over Etter Ditch?

It is owned by the County Highway Agency.