US Bridges

Brockman Road over Little Chickasaw Creek

Fair

Mercer County, Ohio · .3 MI East ST Johns Road · Structure no. 5436435

Built
1996
29 years old
Condition
Fair
inspected November 2024
Type
Frame
Concrete
Length
26 ft
1 main span
Daily traffic
204
2015 count
Owner
County
County Highway Agency

About this bridge

Brockman Road over Little Chickasaw Creek is a concrete frame carrying Brockman Road over Little Chickasaw Creek in Mercer County, Ohio. It was built in 1996, so it is 29 years old, younger 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 204 vehicles a day, roughly 7% of them trucks, projected to reach 283 by 2035. The structure is 26 ft (7.9 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBrockman Road
CrossesLittle Chickasaw Creek
Location.3 MI East ST Johns Road
RouteCounty Highway C070B
CountyMercer County
StateOhio
Coordinates40.4515, -84.46976
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width40 ft (12.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic204 (2015)
Projected traffic283 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Brockman Road over Little Chickasaw Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Brockman Road over Little Chickasaw 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 November 2024.

How much traffic does Brockman Road over Little Chickasaw Creek carry?

About 204 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Brockman Road over Little Chickasaw Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 40 ft wide.

Who owns Brockman Road over Little Chickasaw Creek?

It is owned by the County Highway Agency.