US Bridges

Twp. Rd. 311 over Tributary Left Fork

PoorPosted for load

Pike County, Ohio · 1.95 Mi. E. of SR772 · Structure no. 6633161

Built
1975
50 years old, rebuilt 1991
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
209
2015 count
Owner
County
County Highway Agency

About this bridge

Twp. Rd. 311 over Tributary Left Fork is a steel stringer/multi-beam or girder carrying Twp. Rd. 311 over Tributary Left Fork in Pike County, Ohio. It was built in 1975 and reconstructed in 1991, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 209 vehicles a day, roughly 7% of them trucks, projected to reach 290 by 2035. The structure is 34 ft (10.4 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTwp. Rd. 311
CrossesTributary Left Fork
Location1.95 Mi. E. of SR772
RouteCounty Highway T0311
StateOhio
Coordinates38.97314, -83.18339
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating15 US tons
Inventory rating12 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2015)
Projected traffic290 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Twp. Rd. 311 over Tributary Left Fork built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 1991.

What condition is Twp. Rd. 311 over Tributary Left Fork in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Twp. Rd. 311 over Tributary Left Fork carry?

About 209 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Twp. Rd. 311 over Tributary Left Fork?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 20 ft wide.

Who owns Twp. Rd. 311 over Tributary Left Fork?

It is owned by the County Highway Agency.