US Bridges

Miller over Popular Dt

Good

Darke County, Ohio · .25 MI E Arc-Bears Mill · Structure no. 1948210

Built
1978
47 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Miller over Popular Dt is a prestressed concrete box beam or girders - multiple carrying Miller over Popular Dt in Darke County, Ohio. It was built in 1978, so it is 47 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMiller
CrossesPopular Dt
Location.25 MI E Arc-Bears Mill
RouteCounty Highway T0146
StateOhio
Coordinates40.09252, -84.54187
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating74.3 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Miller over Popular Dt built?

It was built in 1978, making it 47 years old in 2025.

What condition is Miller over Popular Dt 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 October 2023.

How much traffic does Miller over Popular Dt carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Miller over Popular Dt?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns Miller over Popular Dt?

It is owned by the County Highway Agency.