US Bridges

TH135B over Sandusky River

Good

Wyandot County, Ohio · 1.0 Miles S of CH62C · Structure no. 8847762

Built
1997
28 years old
Condition
Good
inspected December 2024
Type
Truss - Thru
Steel
Length
133 ft
1 main span
Daily traffic
324
2015 count
Owner
County
County Highway Agency

About this bridge

TH135B over Sandusky River is a steel truss - thru carrying TH135B over Sandusky River in Wyandot 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 324 vehicles a day, roughly 7% of them trucks, projected to reach 450 by 2035. The structure is 133 ft (40.5 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesTH135B
CrossesSandusky River
Location1.0 Miles S of CH62C
RouteCounty Highway T0135
CountyWyandot County
StateOhio
Coordinates40.76015, -83.14504
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 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.2 US tons
Inventory rating23.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span129 ft (39.3 m)
Deck width25 ft (7.6 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 closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$237,000 (2076 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was TH135B over Sandusky River built?

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

What condition is TH135B over Sandusky River 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 2024.

How much traffic does TH135B over Sandusky River carry?

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

How long is TH135B over Sandusky River?

The structure is 133 ft (40.5 m) long with a longest span of 129 ft (39.3 m) and a deck 25 ft wide.

Who owns TH135B over Sandusky River?

It is owned by the County Highway Agency.