US Bridges

Zion over Indianfield Run

FairPosted for load

Knox County, Ohio · 0.5 MI East of Killduff · Structure no. 4232933

Built
1900
125 years old, rebuilt 1971
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
2 main spans
Daily traffic
263
2015 count
Owner
County
County Highway Agency

About this bridge

Zion over Indianfield Run is a prestressed concrete box beam or girders - multiple carrying Zion over Indianfield Run in Knox County, Ohio. It was built in 1900 and reconstructed in 1971, so it is 125 years old, older than the Ohio average of 47.3 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. Its operating status is: posted for load restriction.

It carries about 263 vehicles a day, roughly 8% of them trucks, projected to reach 365 by 2035. The structure is 59 ft (18 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesZion
CrossesIndianfield Run
Location0.5 MI East of Killduff
RouteCounty Highway 33
StateOhio
Coordinates40.37418, -82.34365
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating32.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length59 ft (18 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic263 (2015)
Projected traffic365 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Zion over Indianfield Run built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1971.

What condition is Zion over Indianfield Run 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 March 2024.

How much traffic does Zion over Indianfield Run carry?

About 263 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Zion over Indianfield Run?

The structure is 59 ft (18 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Zion over Indianfield Run?

It is owned by the County Highway Agency.