US Bridges

SR 229 over Trib of Armstrong Run

Good

Knox County, Ohio · 5 M E of Morrow CO Line · Structure no. 4202899

Built
1995
30 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
3,623
2015 count
Owner
State
State Highway Agency

About this bridge

SR 229 over Trib of Armstrong Run is a concrete culvert carrying SR 229 over Trib of Armstrong Run in Knox County, Ohio. It was built in 1995, so it is 30 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 3,623 vehicles a day, roughly 8% of them trucks, projected to reach 5,029 by 2035. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 229
CrossesTrib of Armstrong Run
Location5 M E of Morrow CO Line
RouteState Highway 229
CountyKnox County
StateOhio
Coordinates40.39991, -82.5482
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,623 (2015)
Projected traffic5,029 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 229 over Trib of Armstrong Run built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR 229 over Trib of Armstrong 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 April 2024.

How much traffic does SR 229 over Trib of Armstrong Run carry?

About 3,623 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is SR 229 over Trib of Armstrong Run?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m).

Who owns SR 229 over Trib of Armstrong Run?

It is owned by the State Highway Agency.