US Bridges

TR 146 (21) over Leatherwood Creek

Good

Williams County, Ohio · 08930 RD 21 · Structure no. 8637504

Built
1974
51 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
324
2015 count
Owner
County
County Highway Agency

About this bridge

TR 146 (21) over Leatherwood Creek is a steel stringer/multi-beam or girder carrying TR 146 (21) over Leatherwood Creek in Williams County, Ohio. It was built in 1974, so it is 51 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 324 vehicles a day, roughly 7% of them trucks, projected to reach 450 by 2035. The structure is 35 ft (10.8 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 146 (21)
CrossesLeatherwood Creek
Location08930 RD 21
RouteCounty Highway T0146
CountyWilliams County
StateOhio
Coordinates41.5428, -84.41936
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating11.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length35 ft (10.8 m)
Longest span34 ft (10.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic324 (2015)
Projected traffic450 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 TR 146 (21) over Leatherwood Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is TR 146 (21) over Leatherwood 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 October 2024.

How much traffic does TR 146 (21) over Leatherwood Creek carry?

About 324 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is TR 146 (21) over Leatherwood Creek?

The structure is 35 ft (10.8 m) long with a longest span of 34 ft (10.3 m) and a deck 24 ft wide.

Who owns TR 146 (21) over Leatherwood Creek?

It is owned by the County Highway Agency.