US Bridges

Mount Zion Road over Sanitary Ditch

Fair

Boone County, Indiana · 00.01 E of CR200 E · Structure no. 0600065

Built
1997
28 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
3 main spans
Daily traffic
120
2017 count
Owner
County
County Highway Agency

About this bridge

Mount Zion Road over Sanitary Ditch is a prestressed concrete box beam or girders - multiple carrying Mount Zion Road over Sanitary Ditch 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 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 5% of them trucks, projected to reach 180 by 2037. The structure is 74 ft (22.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMount Zion Road
CrossesSanitary Ditch
Location00.01 E of CR200 E
RouteCounty Highway 0
CountyBoone County
StateIndiana
Coordinates40.02928, -86.50652
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.9 US tons
Inventory rating43 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length74 ft (22.5 m)
Longest span24 ft (7.3 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2017)
Projected traffic180 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$214,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mount Zion Road over Sanitary Ditch built?

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

What condition is Mount Zion Road over Sanitary 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 Mount Zion Road over Sanitary Ditch carry?

About 120 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Mount Zion Road over Sanitary Ditch?

The structure is 74 ft (22.5 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.

Who owns Mount Zion Road over Sanitary Ditch?

It is owned by the County Highway Agency.