US Bridges

Martin Road over Br Harris Ck

Good

Darke County, Ohio · .2 Mi. N Horatio-Har Ck. · Structure no. 1948334

Built
1997
28 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Martin Road over Br Harris Ck is a prestressed concrete box beam or girders - multiple carrying Martin Road over Br Harris Ck in Darke 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 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 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMartin Road
CrossesBr Harris Ck
Location.2 Mi. N Horatio-Har Ck.
RouteCounty Highway T0169
StateOhio
Coordinates40.15499, -84.50554
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Martin Road over Br Harris Ck built?

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

What condition is Martin Road over Br Harris Ck 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 2023.

How much traffic does Martin Road over Br Harris Ck carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Martin Road over Br Harris Ck?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 24 ft wide.

Who owns Martin Road over Br Harris Ck?

It is owned by the County Highway Agency.