US Bridges

Township Road 1688 over Branch of Black Fork

Good

Ashland County, Ohio · .34 Mi. W of US 42 · Structure no. 0333018

Built
1976
49 years old, rebuilt 2008
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
202
2013 count
Owner
County
County Highway Agency

About this bridge

Township Road 1688 over Branch of Black Fork is a steel stringer/multi-beam or girder carrying Township Road 1688 over Branch of Black Fork in Ashland County, Ohio. It was built in 1976 and reconstructed in 2008, so it is 49 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 202 vehicles a day, roughly 13% of them trucks, projected to reach 280 by 2033. The structure is 60 ft (18.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTownship Road 1688
CrossesBranch of Black Fork
Location.34 Mi. W of US 42
RouteCounty Highway T1688
StateOhio
Coordinates40.81893, -82.40858
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.8 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span57 ft (17.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic202 (2013)
Projected traffic280 by 2033
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Township Road 1688 over Branch of Black Fork built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2008.

What condition is Township Road 1688 over Branch of Black Fork 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 2024.

How much traffic does Township Road 1688 over Branch of Black Fork carry?

About 202 vehicles per day (2013 count), of which roughly 13% are trucks.

How long is Township Road 1688 over Branch of Black Fork?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 32 ft wide.

Who owns Township Road 1688 over Branch of Black Fork?

It is owned by the County Highway Agency.