US Bridges

Washington Mill RD over Trib to Little Miami

Good

Greene County, Ohio · 037 MI N of St. Rt. 725 · Structure no. 2933241

Built
1997
28 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
1,304
2019 count
Owner
County
County Highway Agency

About this bridge

Washington Mill RD over Trib to Little Miami is a prestressed concrete box beam or girders - multiple carrying Washington Mill RD over Trib to Little Miami in Greene County, Ohio. It was built in 1997, so it is 28 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 1,304 vehicles a day, roughly 10% of them trucks, projected to reach 1,106 by 2039. The structure is 26 ft (7.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWashington Mill RD
CrossesTrib to Little Miami
Location037 MI N of St. Rt. 725
RouteCounty Highway 89
StateOhio
Coordinates39.64297, -84.05993
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,304 (2019)
Projected traffic1,106 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Washington Mill RD over Trib to Little Miami built?

It was built in 1997, making it 28 years old in 2025.

What condition is Washington Mill RD over Trib to Little Miami 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 October 2024.

How much traffic does Washington Mill RD over Trib to Little Miami carry?

About 1,304 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Washington Mill RD over Trib to Little Miami?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns Washington Mill RD over Trib to Little Miami?

It is owned by the County Highway Agency.