US Bridges

TH135B over Keller Branch-Grass Run

Good

Wyandot County, Ohio · 0.50 Miles S of CH62C · Structure no. 8847771

Built
2018
7 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
120
2017 count
Owner
County
County Highway Agency

About this bridge

TH135B over Keller Branch-Grass Run is a prestressed concrete box beam or girders - multiple carrying TH135B over Keller Branch-Grass Run in Wyandot County, Ohio. It was built in 2018, so it is 7 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 120 vehicles a day, roughly 1% of them trucks, projected to reach 167 by 2037. The structure is 77 ft (23.6 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTH135B
CrossesKeller Branch-Grass Run
Location0.50 Miles S of CH62C
RouteCounty Highway T0135
StateOhio
Coordinates40.76757, -83.14781
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length77 ft (23.6 m)
Longest span75 ft (22.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2017)
Projected traffic167 by 2037
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was TH135B over Keller Branch-Grass Run built?

It was built in 2018, making it 7 years old in 2025.

What condition is TH135B over Keller Branch-Grass Run 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 Keller Branch-Grass Run carry?

About 120 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is TH135B over Keller Branch-Grass Run?

The structure is 77 ft (23.6 m) long with a longest span of 75 ft (22.9 m) and a deck 24 ft wide.

Who owns TH135B over Keller Branch-Grass Run?

It is owned by the County Highway Agency.