US Bridges

Hamilton Mason RD over Gregory Creek

Good

Butler County, Ohio · 0.018 Mi. W of JCT T0138 · Structure no. 0931013

Built
2020
5 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
7,440
2016 count
Owner
County
County Highway Agency

About this bridge

Hamilton Mason RD over Gregory Creek is a prestressed concrete stringer/multi-beam or girder carrying Hamilton Mason RD over Gregory Creek in Butler County, Ohio. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,440 vehicles a day, roughly 5% of them trucks, projected to reach 8,600 by 2036. The structure is 74 ft (22.7 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHamilton Mason RD
CrossesGregory Creek
Location0.018 Mi. W of JCT T0138
RouteCounty Highway 21
StateOhio
Coordinates39.371, -84.40136
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length74 ft (22.7 m)
Longest span72 ft (21.9 m)
Deck width57 ft (17.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,440 (2016)
Projected traffic8,600 by 2036
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Hamilton Mason RD over Gregory Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Hamilton Mason RD over Gregory Creek 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 April 2023.

How much traffic does Hamilton Mason RD over Gregory Creek carry?

About 7,440 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Hamilton Mason RD over Gregory Creek?

The structure is 74 ft (22.7 m) long with a longest span of 72 ft (21.9 m) and a deck 57 ft wide.

Who owns Hamilton Mason RD over Gregory Creek?

It is owned by the County Highway Agency.