US Bridges

SR 348 over Mt Unger Road

Good

Adams County, Ohio · .75 Mile W of JCT SR 781 · Structure no. 0104389

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
48 ft
1 main span
Daily traffic
463
2023 count
Owner
State
State Highway Agency

About this bridge

SR 348 over Mt Unger Road is a concrete slab carrying SR 348 over Mt Unger Road in Adams County, Ohio. It was built in 2024, so it is 1 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 463 vehicles a day, roughly 14% of them trucks, projected to reach 799 by 2045. The structure is 48 ft (14.6 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 348
CrossesMt Unger Road
Location.75 Mile W of JCT SR 781
RouteState Highway 348
CountyAdams County
StateOhio
Coordinates38.82911, -83.27747
Functional classRural Major Collector

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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.2 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length48 ft (14.6 m)
Longest span22 ft (6.7 m)
Deck width48 ft (14.6 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic463 (2023)
Projected traffic799 by 2045
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 348 over Mt Unger Road built?

It was built in 2024, making it 1 years old in 2025.

What condition is SR 348 over Mt Unger Road 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 2024.

How much traffic does SR 348 over Mt Unger Road carry?

About 463 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 348 over Mt Unger Road?

The structure is 48 ft (14.6 m) long with a longest span of 22 ft (6.7 m) and a deck 48 ft wide.

Who owns SR 348 over Mt Unger Road?

It is owned by the State Highway Agency.