US Bridges

TR99 over Whetstone Creek

FairPosted for load

Morrow County, Ohio · .4 Mi. E. Int. SR61 · Structure no. 5931150

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Truss - Thru
Steel
Length
76 ft
1 main span
Daily traffic
236
2015 count
Owner
County
County Highway Agency

About this bridge

TR99 over Whetstone Creek is a steel truss - thru carrying TR99 over Whetstone Creek in Morrow County, Ohio. It was built in 1987, so it is 38 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 236 vehicles a day, roughly 7% of them trucks, projected to reach 328 by 2035. The structure is 76 ft (23.2 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesTR99
CrossesWhetstone Creek
Location.4 Mi. E. Int. SR61
RouteCounty Highway T0099
CountyMorrow County
StateOhio
Coordinates40.57894, -82.81567
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 12 months
Operating statusPosted for load 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating28.5 US tons
Inventory rating17.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span75 ft (22.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236 (2015)
Projected traffic328 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 TR99 over Whetstone Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is TR99 over Whetstone Creek 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 TR99 over Whetstone Creek carry?

About 236 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is TR99 over Whetstone Creek?

The structure is 76 ft (23.2 m) long with a longest span of 75 ft (22.9 m) and a deck 24 ft wide.

Who owns TR99 over Whetstone Creek?

It is owned by the County Highway Agency.