US Bridges

Cannons Mills 1004 over Longs Run

Good

Columbiana County, Ohio · 0.3 MI N C425 · Structure no. 1538012

Built
1959
66 years old, rebuilt 2020
Condition
Good
inspected September 2024
Type
Truss - Thru
Steel
Length
71 ft
1 main span
Daily traffic
394
2015 count
Owner
County
County Highway Agency

About this bridge

Cannons Mills 1004 over Longs Run is a steel truss - thru carrying Cannons Mills 1004 over Longs Run in Columbiana County, Ohio. It was built in 1959 and reconstructed in 2020, so it is 66 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 394 vehicles a day, roughly 5% of them trucks, projected to reach 547 by 2035. The structure is 71 ft (21.6 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCannons Mills 1004
CrossesLongs Run
Location0.3 MI N C425
RouteCounty Highway T1004
StateOhio
Coordinates40.68615, -80.60726
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 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 alignment7: Better than present minimum criteria
Operating rating60.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span69 ft (21 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic394 (2015)
Projected traffic547 by 2035
Trucks5%
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

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 Cannons Mills 1004 over Longs Run built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2020.

What condition is Cannons Mills 1004 over Longs 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 September 2024.

How much traffic does Cannons Mills 1004 over Longs Run carry?

About 394 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Cannons Mills 1004 over Longs Run?

The structure is 71 ft (21.6 m) long with a longest span of 69 ft (21 m) and a deck 23 ft wide.

Who owns Cannons Mills 1004 over Longs Run?

It is owned by the County Highway Agency.