US Bridges

Leffingwell Rd. over Mill Creek

Fair

Mahoning County, Ohio · 1.2MI.E of Bedell Rd. · Structure no. 5034116

Built
1948
77 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
45 ft
1 main span
Daily traffic
219
2015 count
Owner
County
County Highway Agency

About this bridge

Leffingwell Rd. over Mill Creek is a concrete tee beam carrying Leffingwell Rd. over Mill Creek in Mahoning County, Ohio. It was built in 1948, so it is 77 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 219 vehicles a day, roughly 8% of them trucks, projected to reach 304 by 2035. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLeffingwell Rd.
CrossesMill Creek
Location1.2MI.E of Bedell Rd.
RouteCounty Highway 74
StateOhio
Coordinates40.99986, -80.96839
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic219 (2015)
Projected traffic304 by 2035
Trucks8%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$170,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Leffingwell Rd. over Mill Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is Leffingwell Rd. over Mill Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Leffingwell Rd. over Mill Creek carry?

About 219 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Leffingwell Rd. over Mill Creek?

The structure is 45 ft (13.7 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Leffingwell Rd. over Mill Creek?

It is owned by the County Highway Agency.