US Bridges

SR 555 over East Branch Black Fork

Poor

Morgan County, Ohio · 0.7M S JCT SR 78 · Structure no. 5801982

Built
1961
64 years old
Condition
Poor
inspected August 2024
Type
Slab
Concrete Continuous
Length
86 ft
3 main spans
Daily traffic
543
2015 count
Owner
State
State Highway Agency

About this bridge

SR 555 over East Branch Black Fork is a concrete continuous slab carrying SR 555 over East Branch Black Fork in Morgan County, Ohio. It was built in 1961, so it is 64 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.

It carries about 543 vehicles a day, roughly 7% of them trucks, projected to reach 754 by 2035. The structure is 86 ft (26.2 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR 555
CrossesEast Branch Black Fork
Location0.7M S JCT SR 78
RouteState Highway 555
StateOhio
Coordinates39.72535, -82.03549
Functional classRural Major Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length86 ft (26.2 m)
Longest span32 ft (9.9 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic543 (2015)
Projected traffic754 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 555 over East Branch Black Fork built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 555 over East Branch Black 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 August 2024.

How much traffic does SR 555 over East Branch Black Fork carry?

About 543 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR 555 over East Branch Black Fork?

The structure is 86 ft (26.2 m) long with a longest span of 32 ft (9.9 m) and a deck 36 ft wide.

Who owns SR 555 over East Branch Black Fork?

It is owned by the State Highway Agency.