US Bridges

TR179 over Big Walnut Creek

Good

Morrow County, Ohio · .4 MI.E.INT.CR26 & TR179 · Structure no. 5930375

Built
1981
44 years old, rebuilt 2001
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
62
2015 count
Owner
County
County Highway Agency

About this bridge

TR179 over Big Walnut Creek is a steel stringer/multi-beam or girder carrying TR179 over Big Walnut Creek in Morrow County, Ohio. It was built in 1981 and reconstructed in 2001, so it is 44 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 62 vehicles a day, roughly 8% of them trucks, projected to reach 86 by 2035. The structure is 45 ft (13.7 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR179
CrossesBig Walnut Creek
Location.4 MI.E.INT.CR26 & TR179
RouteCounty Highway T0179
CountyMorrow County
StateOhio
Coordinates40.43784, -82.80141
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span44 ft (13.4 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2015)
Projected traffic86 by 2035
Trucks8%
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 TR179 over Big Walnut Creek built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2001.

What condition is TR179 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 November 2024.

How much traffic does TR179 over Big Walnut Creek carry?

About 62 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is TR179 over Big Walnut Creek?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 20 ft wide.

Who owns TR179 over Big Walnut Creek?

It is owned by the County Highway Agency.