US Bridges

TH58B over Tymochtee

Good

Wyandot County, Ohio · 0.20 Miles W of TH103D · Structure no. 8836884

Built
1955
70 years old, rebuilt 1994
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
131 ft
3 main spans
Daily traffic
324
2015 count
Owner
County
County Highway Agency

About this bridge

TH58B over Tymochtee is a steel continuous stringer/multi-beam or girder carrying TH58B over Tymochtee in Wyandot County, Ohio. It was built in 1955 and reconstructed in 1994, so it is 70 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 131 ft (39.9 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTH58B
CrossesTymochtee
Location0.20 Miles W of TH103D
RouteCounty Highway T0058
CountyWyandot County
StateOhio
Coordinates40.78834, -83.35723
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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadHS 15
Structure length131 ft (39.9 m)
Longest span50 ft (15.2 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic324 (2015)
Projected traffic450 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 TH58B over Tymochtee built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1994.

What condition is TH58B over Tymochtee 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 November 2024.

How much traffic does TH58B over Tymochtee carry?

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

How long is TH58B over Tymochtee?

The structure is 131 ft (39.9 m) long with a longest span of 50 ft (15.2 m) and a deck 18 ft wide.

Who owns TH58B over Tymochtee?

It is owned by the County Highway Agency.