US Bridges

TR 148 (21.75) over Walnut Run

Fair

Williams County, Ohio · 10190 RD 21.75 · Structure no. 8635935

Built
1959
66 years old, rebuilt 2018
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
100
2015 count
Owner
County
County Highway Agency

About this bridge

TR 148 (21.75) over Walnut Run is a steel stringer/multi-beam or girder carrying TR 148 (21.75) over Walnut Run in Williams County, Ohio. It was built in 1959 and reconstructed in 2018, so it is 66 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 139 by 2035. The structure is 48 ft (14.6 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 148 (21.75)
CrossesWalnut Run
Location10190 RD 21.75
RouteCounty Highway T0148
StateOhio
Coordinates41.5603, -84.40496
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating51 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span43 ft (13.1 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2015)
Projected traffic139 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-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 TR 148 (21.75) over Walnut Run built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2018.

What condition is TR 148 (21.75) over Walnut Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does TR 148 (21.75) over Walnut Run carry?

About 100 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is TR 148 (21.75) over Walnut Run?

The structure is 48 ft (14.6 m) long with a longest span of 43 ft (13.1 m) and a deck 22 ft wide.

Who owns TR 148 (21.75) over Walnut Run?

It is owned by the County Highway Agency.