US Bridges

N. River RD over Trib to Little Miami

Fair

Greene County, Ohio · 0.23 MI E of 72 · Structure no. 2937492

Built
1970
55 years old, rebuilt 1995
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
167
2020 count
Owner
County
County Highway Agency

About this bridge

N. River RD over Trib to Little Miami is a prestressed concrete box beam or girders - multiple carrying N. River RD over Trib to Little Miami in Greene County, Ohio. It was built in 1970 and reconstructed in 1995, so it is 55 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 6 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 167 vehicles a day, roughly 10% of them trucks, projected to reach 450 by 2040. The structure is 28 ft (8.5 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesN. River RD
CrossesTrib to Little Miami
Location0.23 MI E of 72
RouteCounty Highway T0117
StateOhio
Coordinates39.79569, -83.81776
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating52.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic167 (2020)
Projected traffic450 by 2040
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 N. River RD over Trib to Little Miami built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1995.

What condition is N. River RD over Trib to Little Miami 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 August 2024.

How much traffic does N. River RD over Trib to Little Miami carry?

About 167 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is N. River RD over Trib to Little Miami?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 28 ft wide.

Who owns N. River RD over Trib to Little Miami?

It is owned by the County Highway Agency.