US Bridges

Twp RD 520 over Witten Fork

Fair

Monroe County, Ohio · 0.1 MI W. of JCT CR 9 · Structure no. 5634903

Built
1960
65 years old, rebuilt 2013
Condition
Fair
inspected June 2024
Type
Girder and Floorbeam System
Steel
Length
68 ft
1 main span
Daily traffic
96
2015 count
Owner
County
County Highway Agency

About this bridge

Twp RD 520 over Witten Fork is a steel girder and floorbeam system carrying Twp RD 520 over Witten Fork in Monroe County, Ohio. It was built in 1960 and reconstructed in 2013, so it is 65 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 96 vehicles a day, roughly 7% of them trucks, projected to reach 133 by 2035. The structure is 68 ft (20.7 m) long and 12 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTwp RD 520
CrossesWitten Fork
Location0.1 MI W. of JCT CR 9
RouteCounty Highway T0520
CountyMonroe County
StateOhio
Coordinates39.66068, -81.02231
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans1
Design loadHL 93
Structure length68 ft (20.7 m)
Longest span64 ft (19.5 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2015)
Projected traffic133 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Twp RD 520 over Witten Fork built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2013.

What condition is Twp RD 520 over Witten Fork 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 June 2024.

How much traffic does Twp RD 520 over Witten Fork carry?

About 96 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Twp RD 520 over Witten Fork?

The structure is 68 ft (20.7 m) long with a longest span of 64 ft (19.5 m) and a deck 12 ft wide.

Who owns Twp RD 520 over Witten Fork?

It is owned by the County Highway Agency.