US Bridges

Ir 77 over SR 821

Fair

Noble County, Ohio · 3.62M N Wash. Co. Line · Structure no. 6100279

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
281 ft
3 main spans
Daily traffic
8,997
2015 count
Owner
State
State Highway Agency

About this bridge

Ir 77 over SR 821 is a steel continuous stringer/multi-beam or girder carrying Ir 77 over SR 821 in Noble County, Ohio. It was built in 1969, so it is 56 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 6 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 8,997 vehicles a day, roughly 24% of them trucks, projected to reach 12,488 by 2035. The structure is 281 ft (85.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIr 77
CrossesSR 821
Location3.62M N Wash. Co. Line
RouteInterstate 77
CountyNoble County
StateOhio
Coordinates39.68896, -81.49737
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length281 ft (85.6 m)
Longest span110 ft (33.5 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,997 (2015)
Projected traffic12,488 by 2035
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ir 77 over SR 821 built?

It was built in 1969, making it 56 years old in 2025.

What condition is Ir 77 over SR 821 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 September 2024.

How much traffic does Ir 77 over SR 821 carry?

About 8,997 vehicles per day (2015 count), of which roughly 24% are trucks.

How long is Ir 77 over SR 821?

The structure is 281 ft (85.6 m) long with a longest span of 110 ft (33.5 m) and a deck 36 ft wide.

Who owns Ir 77 over SR 821?

It is owned by the State Highway Agency.