US Bridges

Tama Road over Big Black Creek

Fair

Mercer County, Ohio · E of SR49 0.35 MI · Structure no. 5450403

Built
1994
31 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
30 ft
1 main span
Daily traffic
199
2015 count
Owner
County
County Highway Agency

About this bridge

Tama Road over Big Black Creek is a concrete box beam or girders - multiple carrying Tama Road over Big Black Creek in Mercer County, Ohio. It was built in 1994, so it is 31 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 199 vehicles a day, roughly 8% of them trucks, projected to reach 276 by 2035. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTama Road
CrossesBig Black Creek
LocationE of SR49 0.35 MI
RouteCounty Highway C0196
StateOhio
Coordinates40.63336, -84.7783
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic199 (2015)
Projected traffic276 by 2035
Trucks8%
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 Tama Road over Big Black Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Tama Road over Big Black 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 December 2024.

How much traffic does Tama Road over Big Black Creek carry?

About 199 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Tama Road over Big Black Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.

Who owns Tama Road over Big Black Creek?

It is owned by the County Highway Agency.