US Bridges

King RD 834 over Mahoning River

Good

Columbiana County, Ohio · 1.3 MI E C400 · Structure no. 1535250

Built
1900
125 years old, rebuilt 1981
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
77
2015 count
Owner
County
County Highway Agency

About this bridge

King RD 834 over Mahoning River is a steel stringer/multi-beam or girder carrying King RD 834 over Mahoning River in Columbiana County, Ohio. It was built in 1900 and reconstructed in 1981, so it is 125 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 77 vehicles a day, roughly 6% of them trucks, projected to reach 107 by 2035. The structure is 50 ft (15.2 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKing RD 834
CrossesMahoning River
Location1.3 MI E C400
RouteCounty Highway T0834
StateOhio
Coordinates40.84278, -80.95157
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2015)
Projected traffic107 by 2035
Trucks6%
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

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 King RD 834 over Mahoning River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1981.

What condition is King RD 834 over Mahoning River 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 June 2024.

How much traffic does King RD 834 over Mahoning River carry?

About 77 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is King RD 834 over Mahoning River?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 20 ft wide.

Who owns King RD 834 over Mahoning River?

It is owned by the County Highway Agency.