US Bridges

SR 229 over Kokosing River

Good

Knox County, Ohio · 1.5 M E of JCT SR 308 · Structure no. 4203003

Built
1957
68 years old, rebuilt 1995
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
309 ft
4 main spans
Daily traffic
2,343
2015 count
Owner
State
State Highway Agency

About this bridge

SR 229 over Kokosing River is a steel continuous stringer/multi-beam or girder carrying SR 229 over Kokosing River in Knox County, Ohio. It was built in 1957 and reconstructed in 1995, so it is 68 years old, older 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 2,343 vehicles a day, roughly 11% of them trucks, projected to reach 3,252 by 2035. The structure is 309 ft (94.2 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSR 229
CrossesKokosing River
Location1.5 M E of JCT SR 308
RouteState Highway 229
CountyKnox County
StateOhio
Coordinates40.3621, -82.38475
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating52.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length309 ft (94.2 m)
Longest span85 ft (25.9 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,343 (2015)
Projected traffic3,252 by 2035
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 229 over Kokosing River built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1995.

What condition is SR 229 over Kokosing River 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 August 2024.

How much traffic does SR 229 over Kokosing River carry?

About 2,343 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is SR 229 over Kokosing River?

The structure is 309 ft (94.2 m) long with a longest span of 85 ft (25.9 m) and a deck 32 ft wide.

Who owns SR 229 over Kokosing River?

It is owned by the State Highway Agency.