US Bridges

Gano Chance RD over Youngs CR

FairPosted for load

Boone County, Missouri · S 23 T 51 N R 11 W · Structure no. 19613

Built
1950
75 years old
Condition
Fair
inspected December 2024
Type
Truss - Thru
Steel
Length
62 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Gano Chance RD over Youngs CR is a steel truss - thru carrying Gano Chance RD over Youngs CR in Boone County, Missouri. It was built in 1950, so it is 75 years old, older than the Missouri average of 45.1 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 5% of them trucks, projected to reach 57 by 2043. The structure is 62 ft (18.9 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGano Chance RD
CrossesYoungs CR
LocationS 23 T 51 N R 11 W
RouteCounty Highway 227
Coordinates39.19614, -92.10811
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.8 US tons
Inventory rating18.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width21 ft (6.4 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic57 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local 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 Gano Chance RD over Youngs CR built?

It was built in 1950, making it 75 years old in 2025.

What condition is Gano Chance RD over Youngs CR 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 December 2024.

How much traffic does Gano Chance RD over Youngs CR carry?

About 30 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Gano Chance RD over Youngs CR?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 21 ft wide.

Who owns Gano Chance RD over Youngs CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.