US Bridges

Mack Road over Mack Road (duck Run)

Good

Scioto County, Ohio · 0.40 Mi. N of Dead End · Structure no. 7338147

Built
1993
32 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
30 ft
1 main span
Daily traffic
106
2015 count
Owner
County
County Highway Agency

About this bridge

Mack Road over Mack Road (duck Run) is a concrete box beam or girders - multiple carrying Mack Road over Mack Road (duck Run) in Scioto County, Ohio. It was built in 1993, so it is 32 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 106 vehicles a day, roughly 8% of them trucks, projected to reach 147 by 2035. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMack Road
CrossesMack Road (duck Run)
Location0.40 Mi. N of Dead End
RouteCounty Highway 504
StateOhio
Coordinates38.85091, -83.04255
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2015)
Projected traffic147 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$17.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mack Road over Mack Road (duck Run) built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mack Road over Mack Road (duck 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 December 2024.

How much traffic does Mack Road over Mack Road (duck Run) carry?

About 106 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Mack Road over Mack Road (duck Run)?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 18 ft wide.

Who owns Mack Road over Mack Road (duck Run)?

It is owned by the County Highway Agency.