US Bridges

Snyder Road over Miller Ditch

Good

Knox County, Indiana · 00.28 N of State Road 67 · Structure no. 4200176

Built
1910
115 years old, rebuilt 2011
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
130
2013 count
Owner
County
County Highway Agency

About this bridge

Snyder Road over Miller Ditch is a steel stringer/multi-beam or girder carrying Snyder Road over Miller Ditch in Knox County, Indiana. It was built in 1910 and reconstructed in 2011, so it is 115 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 130 vehicles a day, roughly 5% of them trucks, projected to reach 170 by 2035. The structure is 58 ft (17.6 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSnyder Road
CrossesMiller Ditch
Location00.28 N of State Road 67
RouteCounty Highway 0
CountyKnox County
StateIndiana
Coordinates38.78745, -87.28689
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating77.5 US tons
Inventory rating59.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length58 ft (17.6 m)
Longest span52 ft (15.9 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2013)
Projected traffic170 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Snyder Road over Miller Ditch built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 2011.

What condition is Snyder Road over Miller Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Snyder Road over Miller Ditch carry?

About 130 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Snyder Road over Miller Ditch?

The structure is 58 ft (17.6 m) long with a longest span of 52 ft (15.9 m) and a deck 28 ft wide.

Who owns Snyder Road over Miller Ditch?

It is owned by the County Highway Agency.