US Bridges

N Hamp-Donnelsvill over Blacksnake Creek

Good

Champaign County, Ohio · .45 MI S of ST Route 55 · Structure no. 1130609

Built
1910
115 years old, rebuilt 1965
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

N Hamp-Donnelsvill over Blacksnake Creek is a prestressed concrete box beam or girders - multiple carrying N Hamp-Donnelsvill over Blacksnake Creek in Champaign County, Ohio. It was built in 1910 and reconstructed in 1965, so it is 115 years old, older 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 44 ft (13.4 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesN Hamp-Donnelsvill
CrossesBlacksnake Creek
Location.45 MI S of ST Route 55
RouteCounty Highway T0022
CountyChampaign County
StateOhio
Coordinates40.04813, -83.91951
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 protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating100 US tons
Inventory rating60.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span43 ft (13.1 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 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 N Hamp-Donnelsvill over Blacksnake Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1965.

What condition is N Hamp-Donnelsvill over Blacksnake 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 December 2023.

How much traffic does N Hamp-Donnelsvill over Blacksnake Creek carry?

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

How long is N Hamp-Donnelsvill over Blacksnake Creek?

The structure is 44 ft (13.4 m) long with a longest span of 43 ft (13.1 m) and a deck 24 ft wide.

Who owns N Hamp-Donnelsvill over Blacksnake Creek?

It is owned by the County Highway Agency.