US Bridges

Old HWY 124 over Silver Fork CR

FairPosted for load

Boone County, Missouri · S 9 T 50 N R 11 W · Structure no. 24503

Built
1950
75 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

Old HWY 124 over Silver Fork CR is a concrete culvert carrying Old HWY 124 over Silver Fork 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 380 by 2043. The structure is 22 ft (6.7 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesOld HWY 124
CrossesSilver Fork CR
LocationS 9 T 50 N R 11 W
RouteCounty Highway 0
CountyBoone County
StateMissouri
Coordinates39.12331, -92.15497
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 rating26.8 US tons
Inventory rating15.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic380 by 2043
Trucks10%
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 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 Old HWY 124 over Silver Fork CR built?

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

What condition is Old HWY 124 over Silver Fork 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 Old HWY 124 over Silver Fork CR carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Old HWY 124 over Silver Fork CR?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns Old HWY 124 over Silver Fork CR?

It is owned by the County Highway Agency.