US Bridges

Snake Road over Poplar Run

Good

Montgomery County, Ohio · .6 MI E of Diamond Mill R · Structure no. 5765781

Built
1969
56 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
1,295
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Snake Road over Poplar Run is a prestressed concrete box beam or girders - multiple carrying Snake Road over Poplar Run in Montgomery County, Ohio. It was built in 1969, so it is 56 years old, older 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 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 1,295 vehicles a day, roughly 5% of them trucks, projected to reach 1,797 by 2035. The structure is 48 ft (14.6 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSnake Road
CrossesPoplar Run
Location.6 MI E of Diamond Mill R
RouteCounty Highway M0186
StateOhio
Coordinates39.81123, -84.35436
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 15
Structure length48 ft (14.6 m)
Longest span47 ft (14.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,295 (2015)
Projected traffic1,797 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Snake Road over Poplar Run built?

It was built in 1969, making it 56 years old in 2025.

What condition is Snake Road over Poplar Run 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 July 2023.

How much traffic does Snake Road over Poplar Run carry?

About 1,295 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Snake Road over Poplar Run?

The structure is 48 ft (14.6 m) long with a longest span of 47 ft (14.3 m) and a deck 24 ft wide.

Who owns Snake Road over Poplar Run?

It is owned by the City or Municipal Highway Agency.