US Bridges

TR21 over Big Walnut Creek

Good

Morrow County, Ohio · .20 Miles E.Of INTXCR26 · Structure no. 5930987

Built
1989
36 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
465
2015 count
Owner
County
County Highway Agency

About this bridge

TR21 over Big Walnut Creek is a steel stringer/multi-beam or girder carrying TR21 over Big Walnut Creek in Morrow County, Ohio. It was built in 1989, so it is 36 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 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 465 vehicles a day, roughly 7% of them trucks, projected to reach 645 by 2035. The structure is 50 ft (15.2 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR21
CrossesBig Walnut Creek
Location.20 Miles E.Of INTXCR26
RouteCounty Highway T0021
CountyMorrow County
StateOhio
Coordinates40.41116, -82.80703
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic465 (2015)
Projected traffic645 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 TR21 over Big Walnut Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is TR21 over Big Walnut 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 December 2024.

How much traffic does TR21 over Big Walnut Creek carry?

About 465 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is TR21 over Big Walnut Creek?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 20 ft wide.

Who owns TR21 over Big Walnut Creek?

It is owned by the County Highway Agency.