US Bridges

TR108 over Trib. Kokosing River

Fair

Morrow County, Ohio · .2 MI.N.INT.CR109 & TR108 · Structure no. 5932718

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
23 ft
3 main spans
Daily traffic
362
2015 count
Owner
County
County Highway Agency

About this bridge

TR108 over Trib. Kokosing River is a steel culvert carrying TR108 over Trib. Kokosing River in Morrow County, Ohio. It was built in 1975, so it is 50 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 5 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 362 vehicles a day, roughly 7% of them trucks, projected to reach 502 by 2035. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesTR108
CrossesTrib. Kokosing River
Location.2 MI.N.INT.CR109 & TR108
RouteCounty Highway T0108
StateOhio
Coordinates40.53833, -82.75833
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic362 (2015)
Projected traffic502 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 TR108 over Trib. Kokosing River built?

It was built in 1975, making it 50 years old in 2025.

What condition is TR108 over Trib. Kokosing River 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 2023.

How much traffic does TR108 over Trib. Kokosing River carry?

About 362 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is TR108 over Trib. Kokosing River?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m).

Who owns TR108 over Trib. Kokosing River?

It is owned by the County Highway Agency.