US Bridges

County Road J 11 over Ogontz River

Fair

Delta County, Michigan · 4 MI W 0.5 MI S Nahma JCT · Structure no. 000000000002154

Built
1963
62 years old
Condition
Fair
inspected July 2024
Type
Frame
Steel
Length
33 ft
1 main span
Daily traffic
4
2021 count
Owner
County
County Highway Agency

About this bridge

County Road J 11 over Ogontz River is a steel frame carrying County Road J 11 over Ogontz River in Delta County, Michigan. It was built in 1963, so it is 62 years old, older than the Michigan average of 48.3 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 4 vehicles a day, projected to reach 5 by 2041. The structure is 33 ft (10 m) long and 18 ft wide. If it were closed, the detour would be 123 mi (198 km).

CarriesCounty Road J 11
CrossesOgontz River
Location4 MI W 0.5 MI S Nahma JCT
RouteCounty Highway 0
Coordinates45.89003, -86.78878
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating98.5 US tons
Inventory rating75.4 US tons

Structure

Structure typeFrame
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length33 ft (10 m)
Longest span32 ft (9.7 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (2021)
Projected traffic5 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 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 County Road J 11 over Ogontz River built?

It was built in 1963, making it 62 years old in 2025.

What condition is County Road J 11 over Ogontz River 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 July 2024.

How much traffic does County Road J 11 over Ogontz River carry?

About 4 vehicles per day (2021 count).

How long is County Road J 11 over Ogontz River?

The structure is 33 ft (10 m) long with a longest span of 32 ft (9.7 m) and a deck 18 ft wide.

Who owns County Road J 11 over Ogontz River?

It is owned by the County Highway Agency.