US Bridges

State Route 123 over W Br of L Fk Little Miam

Good

Brown County, Ohio · .26 MI N of US Rt. 68 · Structure no. 0802115

Built
1999
26 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
1,656
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 123 over W Br of L Fk Little Miam is a steel stringer/multi-beam or girder carrying State Route 123 over W Br of L Fk Little Miam in Brown County, Ohio. It was built in 1999, so it is 26 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 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 1,656 vehicles a day, roughly 3% of them trucks, projected to reach 2,299 by 2035. The structure is 82 ft (25.1 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesState Route 123
CrossesW Br of L Fk Little Miam
Location.26 MI N of US Rt. 68
RouteState Highway 123
StateOhio
Coordinates39.23057, -83.91456
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length82 ft (25.1 m)
Longest span80 ft (24.5 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,656 (2015)
Projected traffic2,299 by 2035
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 State Route 123 over W Br of L Fk Little Miam built?

It was built in 1999, making it 26 years old in 2025.

What condition is State Route 123 over W Br of L Fk Little Miam 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 February 2025.

How much traffic does State Route 123 over W Br of L Fk Little Miam carry?

About 1,656 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is State Route 123 over W Br of L Fk Little Miam?

The structure is 82 ft (25.1 m) long with a longest span of 80 ft (24.5 m) and a deck 31 ft wide.

Who owns State Route 123 over W Br of L Fk Little Miam?

It is owned by the State Highway Agency.